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21. Ulanowicz, R.E. 1979. Prediction, chaos and ecological perspective. pp. 107-117. In: Efraim Halfon, (ed.). Theoretical Systems Ecology Academic Press, New York.

43. Ulanowicz, R.E. 1986. Growth and Development: Ecosystems Phenomenology Springer-Verlag, NY. 203p.

44. Ulanowicz, R.E. 1986. A phenomenological perspective of ecological development. pp. 73-8l. In: T. M. Poston and R. Purdy (eds.). Aquatic Toxicology and Environmental Fate, Vol.9. ASTM STP 921. American Society for Testing and Materials, Philadelphia, PA.

46. Hirata, H. and R.E. Ulanowicz. 1986. Large-scale system perspectives on ecological modelling and analysis. Ecological Modelling 31:79-104.

48. Ulanowicz, R.E. 1987. Growth and development: Variational principles reconsidered. European Journal of Operations Research 30:173-178.

49. Ulanowicz, R.E. and B.M. Hannon. 1987. Life and the production of entropy. Proceedings of the Royal Society, London Series B 232:181-192.

52. Ulanowicz, R.E. and A.J. Goldman. 1988. On quantifying the effects of formal and final causes in ecosystem development. pp. 164-180. In: W.Wolff, C.-J. Soeder and F.R. Drepper (eds.). Ecodynamics: Contributions to Theoretical Ecology Proceedings of an International Workshop, Federal Republic of Germany, 19-20 Oct. 1987. Springer-Verlag, Berlin.

53. Wicken, J.S. and R.E. Ulanowicz. 1988. On quantifying hierarchical connections in ecology. Journal of Social and Biological Structures 11:369-377.

60. Weber, B.H., D.J. Depew, C. Dyke, S.N. Salthe, E.D. Schneider, R.E. Ulanowicz, and J.S. Wicken. 1989. Evolution in thermodynamic perspective: an ecological approach. Biology and Philosophy 4:373-405.

62. Ulanowicz, R.E. 1990. Aristotelean causalities in ecosystem development. Oikos 57:42-48.

63. Ulanowicz, R. E. 1990. Ecosystem integrity and network theory. pp. 69-77. In: C.J. Edwards and H.A. Regier (eds.) An Ecosystem Approach to the Integrity of the Great Lakes in Turbulent Times Great Lakes Fish Comm. Spec. Pub. 90-4.

66. Ulanowicz, R.E. 1991. Formal agency in ecosystem development. pp. 58-70. In: M. Higashi and T.D. Burns (eds.) Theoretical Studies of Ecosystems: The Network Perspective Cambridge Univ. Press, Cambridge.

68. Ulanowicz, R.E. 1991. Complexity: Toward quantifying its various manifestations. WESScomm 1:43-50.

70. Ulanowicz, R.E. and W.F. Wolff. 1991. Ecosystem flow networks: Loaded dice? Mathematical Biosciences 103:45-68.

78. Ulanowicz, R.E. 1993. Inventing the ecoscope. pp. ix-x. In: V. Christensen and D. Pauly (eds.). Trophic Models of Aquatic Ecosystems ICLARM Conf. Proc. 26.

79. Ulanowicz, R.E. 1993. Perspectives: Oecologia ex machina? Ecological Modelling 11(2):1 and 9.

90. Ulanowicz, R.E. 1996. Ecosystem development: Symmetry arising? Symmetry: Culture and Science 7(3):321-334.

91. Ulanowicz, R.E. 1996. The internalist perspective and non-cognitive value. Revue de la Pensee d’aujourd’hui 24(11):292-301 (in Japanese).

95. Ulanowicz, R.E. 1997. Ecology, the Ascendent Perspective Columbia University Press, New York.

108. Ulanowicz, R.E. 1999. Life after Newton: An ecological metaphysic. BioSystems 50:127-142.

111. Ulanowicz, R.E. 1999. Out of the clockworks: A response. Estuaries 22:342-343.

115. Ulanowicz, R.E. 2000. Ontic closure and the hierarchy of scale. Pp. 266-271. In: Chandler, J.L.R. and Van de Vijver, G. (Eds.), Emergent Organizations and Their Dynamics Annals of the New York Academy of Sciences. Vol. 901.

116. Ulanowicz, R.E. 2000. Ecology, the subversive science? Episteme 11:137-152.

124. Ulanowicz, R.E. 2001. The organic in ecology. Ludus Vitalis 9(15):183-204.

125. Hoffmann, D.S. 2001. Conversando com Roberto E. Ulanowicz. Episteme 12:13-22.

131. Ulanowicz, R.E. 2002. Ecology, a dialogue between the quick and the dead. Emergence 4:34-52.

132. Ulanowicz, R.E. 2002. Toward quantifying semiotic agencies: Habits arising. Journal of Semiotics, Evolution, Energy and Development 2(1):38-55.

134. Ulanowicz, R.E. 2003. On the ordinality of causes in complex autocatalytic systems. Annals of the New York Academy of Science 988:154-157.

140. Ulanowicz, R.E. 2004. Ecosystem dynamics: A natural middle. Theology and Science 2(2):231-253.

148. Ulanowicz, R.E. 2005. Ecological network analysis: An escape from the machine. Pp.201-207 In: A. Belgrano, U.M. Scharler, J. Dunne, and R.E. Ulanowicz (Eds.) Aquatic Food Webs Oxford Univ. Press, Oxford.

153. Ulanowicz, R.E. 2005. Fluctuations and order in ecosystem dynamics. E:CO 7(2):14-20.

154. Ulanowicz, R.E. 2006. Process ecology: A transactional worldview. Journal of Ecodynamics 1:103-114.

155. Ulanowicz, R.E. 2006. Reconsidering the notion of the organic. Pp 101-113 in A. K. Konopka (Ed.) Systems Biology: Principles, Methods and Concepts Taylor and Francis, Boca Raton, FL.

160. Ulanowicz, R.E. 2007. Ecosystems becoming. International Journal of Ecosystem Dynamics 2(3):153-164.

162. Ulanowicz, R.E. 2007. Process ecology: Creatura at large in an open universe. Pp. 121-134 In: J. Hoffmeyer (Ed.) A Legacy for Living Systems: Gregory Bateson as Precursor to Biosemiotics Springer-Verlag, Berlin.

167. Ulanowicz, R.E 2009. A Third Window: Natural Life beyond Newton and Darwin Templeton Foundation Press, West Conshohocken, Pennsylvania. 196p

173. Ulanowicz, R.E. 2009. The dual nature of ecosystem dynamics. Ecological Modelling 220:1886-1892.

175. Ulanowicz, R.E. 2009. Increasing entropy: Heat death or perpetual harmonies? Design and Nature & Ecodynamics 4(2):1-14.

177. Ulanowicz, R.E. 2010. A call for metaphysical reform. Ludus Vitalis 17:459-463.

178. Ulanowicz, R.E. 2010. Process ecology: Stepping stones to biosemiosis. Zygon 45:391-407.

182. Ulanowicz, R.E. 2011. Process and ontological priorities in evolution. Pp. 321-336 In: G. Auletta, M/ Leclerc and R.A. Martinez (Eds.) Biological Evolution: Facts and Theories: A critical appraisal 150 years after “The Origin of Species” Gregorian & Biblical Press, Rome.

183. Ulanowicz, R.E. 2011. Towards Quantifying a Wider Reality: Shannon Exonerata. Information 2:624-634.

185. Nielsen, S.N. and R.E. Ulanowicz. 2011. Ontic openness: An absolute necessity for all developmental processes. Ecological Modelling 222:2908– 2912.

186. Ulanowicz, R.E. 2012. Coherence. Pp. 65 – 66 In: Favareau, D., P. Cobley and K. Kull. (Eds.) A More Developed Sign Tartu: Tartu University Press.

187. Ulanowicz, R.E. 2012. Widening the third window. Axiomathes 22:269-289.

189. Ulanowicz, R.E. 2013. Process-First Ontology. Pp. 115-131 In: B.G. Henning and A.C. Scarfe. (Eds.) Beyond Mechanism: Putting Life Back into Biology Lanham, Maryland: Lexington Books.

190. Ulanowicz, R.E. 2013. A world of contingencies. Zygon 48:77-92.

195. Ulanowicz, R.E. 2014. Reckoning the nonexistent: Putting the science right. Ecological Modelling 293:22–30.

199. Ulanowicz, R.E., 2016. Process Ecology: Making Room for Creation Sophia 55(3):359-380.

200. Ulanowicz, R.E., 2016. Process Ecology: Philosophy Passes into Praxis Process Studies 45.2:72-95.

201. Ulanowicz, R.E. 2017. Towards a Global Understanding of Development and Evolution Progress in Biophysics and Molecular Biology dx.doi.org/10.1016/j.pbiomolbio.2017.07.008.

202. Xu, Z., Cheng, G., Ulanowicz, R.E., Song, X., Deng, X. and Zhong, F. 2018. The Common Developmental Road: Tensions among Centripetal and Centrifugal Dynamics National Science Review, 5(3):417-426, doi: 10.1093/nsr/nwx033/3101042.

205. Ulanowicz, R.E. 2018. Dimensions missing from ecology. Philosophies 3(3):24.

206. Ulanowicz, R.E. 2018. The universal laws of physics: Inflated ontologies? pp. 69-84. In: R.J. Russell & J.M. Moritz (Eds.) God’s Providence and Randomness in Nature, W. Conshohocken, PA : Templeton Press.

207. Ulanowicz, R.E. 2019. The tripartite nature of causalities in ecosystem dynamics. Current Opinion in Systems Biology 13:129–135.

209. Ulanowicz, R.E. 2019. Information across the ecological hierarchy. Entropy 21:949–955.

210. Ulanowicz, R.E. 2020. Quantifying sustainable balance in ecosystem configurations. Current Research in Environmental Sustainability 1:1–6.

211. Ulanowicz, R.E. 2020. Ecological Clues to the Nature of Consciousness. Entropy 22:611-621; doi:10.3390/e22060611.

212. Cazzolla-Gatti, R., R. Koppl, B.D. Fath, S. Kauffman, W. Hordijk and R.E.Ulanowicz. 2020. On the emergence of ecological and economic niches. J. Bioeconomics doi:10.1007/s10818-020-09295-4.

213. Ulanowicz, R.E. 2021. Socio-ecological networks: A lens that focuses beyond physics. J. Frontiers in Ecology and Evolution Vol. 9. doi:10.3389/fevo.2021.643122.