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1. Ulanowicz, R.E., and G.C. Frazier. 1968. Interphase transfer with non-equilibrium chemical reaction. Chemical Engineering Science 23:1335-1346.

2. Ulanowicz, R.E., and G.C. Frazier. 1970. The transport of oxygen and carbon dioxide in hemoglobin systems. Bulletin of Mathematical Biosciences 7:111-129.

3. Frazier, G.C., and R.E. Ulanowicz. 1970. Film transfer with non-equilibrium chemical reaction. Chemical Engineering Science 25:549-557.

4. Ulanowicz, R.E., and G.C. Frazier. 1971. Transport through hemoglobin solutions: a sensitivity analysis. Journal of Theoretical Biology 32:185-190.

5. Ulanowicz, R.E. 1972. Mass and energy flow in closed ecosystems. Journal of Theoretical Biology 34:239-253.

7. Ulanowicz, R.E., D.A. Flemer, D.R. Heinle, and C.D. Mobley. 1975. The a posteriori aspects of estuarine modeling. pp. 602-616 In: L.E. Cronin, (ed.). Estuarine Research, Vol. I, Chemistry Biology, and the Estuarine System. Academic Press, NY.

8. Wollast, R., H.G. Gade, and R.E. Ulanowicz. 1975. Estuaries. pp. 253-256. In: J.C.J. Nihoul, (ed.). Modeling of Marine Systems. Elsevier Press, Amsterdam.

9. Ulanowicz, R.E. 1976. Modeling the Chesapeake Bay and tributaries: A synopsis. Chesapeake Science 17:114-122.

14. Ulanowicz, R.E. 1978. pp. 1-18. In: J.H. Thorpe, III and J.W. Gibbons, (eds.). Modeling environmental stress. Energy and Environmental Stress in Aquatic Systems. DOE Symposium Series (CONF-771114) National Technical Information Service, Springfield, VA

17. Ulanowicz, R.E., D.A. Flemer, D.R. Heinle, and R.T. Huff. 1978. The empirical modeling of an ecosystem. Ecological Modelling 4:29-40.

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

28. Mann, K.H., T.C. Platt, and R.E. Ulanowicz, (eds.) 1981. Mathematical Models in Biological Oceanography. UNESCO Monographs on Oceanographic Methodology 7. UNESCO Press, Paris. 157 p.

30. Ulanowicz, R.E. 1981. Models of particle size spectra. pp. 72-79. In: K.H. Mann, T.C. Platt and R.E. Ulanowicz (eds.). Mathematical Models in Biological Oceanography. UNESCO Monographs on Oceanographic Methodology 7. UNESCO Press, Paris.

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

51. Ulanowicz, R.E. 1988. On the importance of higher-level models in ecology. Ecological Modelling 43:45-56.

56. Ulanowicz, R.E. 1989. A generic simulation model for treating incomplete sets of data. pp. 82-89. In: F. Wulff, J.G. Field, and K.H. Mann (eds.) Network Analysis in Marine Ecology Coastal and Estuarine Studies Series. Springer-Verlag, Berlin.

59. Kay, J.K., L.A. Graham, and R.E. Ulanowicz. 1989. A detailed guide to network analysis. pp. 15-61. In: F. Wulff, J.G. Field, and K.H. Mann (eds.) Network Analysis in Marine Ecology Coastal and Estuarine Studies Series. Springer-Verlag, Berlin.

69. Ulanowicz, R.E. and J.J. Kay. 1991. A package for the analysis of ecosystem flow networks. Environmental Software 6:131-142.

76. Ulanowicz, R.E. and J. Tuttle. 1992. The trophic consequences of oyster stock rehabilitation in Chesapeake Bay. Estuaries 15:298-306.

94. Halfon, E.A., N. Schito and R.E. Ulanowicz. 1996. Energy flow through the Lake Ontario food web: Conceptual model and an attempt at mass balance. Ecological Modelling 86(1):1-36.

99. DeAngelis, D.L., W.F. Loftus, J.C. Trexler and R.E. Ulanowicz. 1997. Modeling fish dynamics and effects of stress in a hydrologically pulsed ecosystem. Journal of Aquatic Ecosystem Stress and Recovery 6:1-13.

122. Ulanowicz, R.E. 2001. Information theory in ecology. Computers and Chemistry 25:393-399.

129. Abarca, L.G. and R.E. Ulanowicz. 2002. The effects of taxonomic aggregation on network analysis. Ecological Modelling 149:285-296.

133. Krivov, S. and R.E. Ulanowicz. 2003. Qunatitative measures of organization for multi- agent systems. BioSystems 69:39-54.

149. Ulanowicz, R.E., and M.J. Zickel. 2005. Using ecology to quantify organization in fluid flows. Pp. 57-66 In: A. Kleidon and R. Lorenz (Eds.) Non-Equilibrium Thermodynamics and the Production of Entropy: Life, Earth, and Beyond Springer-Verlag, Berlin.

159. Ulanowicz, R.E. and U.M. Scharler. 2007. Least-inference methods for constructing networks of trophic flows. Ecological Modelling 210:278-286.

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