1630–1662 (2002). Yao, Zhen and W. H. Ray. "Modeling and Analysis of New Processes for Polyester and Nylon Production". AIChE Journal, 47, 401–412 (2001). Beers, Kenneth C. and W. H. Ray. "A Linkage Moment Approach to Modeling Condensation Polymerization with Multiple Monomers. I. Linear Polymers". Journal of Applied Polymer Science, 79, 246–265 (2001). Villa, Carlos M. and W. H. Ray. "Nonlinear Dynamics Found in Polymerization Processes – A Review". Chemical Engineering Science, 55, 2, 275–290 (1999). Mallon, Frederick K. and W. H. Ray. "Modeling of Solid-State Polycondensation. II. Reactor Design Issues". Journal of Applied Polymer Science, 69, 1775–1788(1998). Shaffer, W. K. A. and W. H. Ray. "Polymerization of Olefins Through Heterogeneous Catalysis. XVIII. A Kinetic Explanation for Unusual Effects". Journal of Applied Polymer Science, 65, 1053–1080 (1997). Debling, J. A., J. J. Zacca and W. H. Ray. "Reactor Residence-Time Distribution Effects on the Multistage Polymerization of Olefins. Part III. Multi-layered Products – Impact Polypropylene". Chemical Engineering Science, 52, 12, 1969–2001 (1997). Hyanek, I., J. Zacca, F. Teymour, and W. H. Ray. "Dynamics and Stability of Polymerization Process Flow Sheets". I&EC Research, 34, 11, 3872–3877 (1995). Semino, Daniele and W. H. Ray. "Control of Systems Described by Population Balance Equations – II. Emulsion Polymerization with Constrained Control Action". Chemical Engineering Science, 50, 11, 1825–1839 (1995). Gay, David H. and W. H. Ray. "Identification and Control of Distributed Parameter Systems by Means of the Singular Value Decomposition". Chemical Engineering Science, 50, 10, 1519–1539 (1995). Paquet, D. A., Jr. and W. H. Ray. "Tubular Reactors for Emulsion Polymerization: I. Experimental Investigation". AIChE Journal, 40, 1, 73–87 (1994). Scott, G. M. and W. H. Ray. "Experiences with Model-Based Controllers Based on Neural Network Process Models". J. Proc. Cont. 3, 3 179–196 (1993). Jacobsen, L. L. and W. H. Ray. "Unified Modeling for Polycondensation Kinetics". J. Macromolecular Science Reviews in Macromolecular Chemistry and Physics, C32 (3 & 4), 407–519 (1992). Jerome, N. F. and W. H. Ray. "Model-Predictive Control of Linear Multivariable Systems Having Time Delays and Right-Half-Plane Zeros." Chemical Engineering Science, 47, 4, 763–785 (1992). Hutchinson, R. A. and W. H. Ray. "Polymerization of Olefins through Heterogeneous Catalysis. VIII. Monomer Sorption Effects". J. of Applied Polymer Sci., Vol. 41, 51–81 (1990). Stevens, C. J. and W. H. Ray. "The Mathematical Modeling of Bulk and Solution Polymerization in a Tubular Reactor". ACS Symposium Series No. 404 Computer Applications in Applied Polymer Science II: Automation, Modeling,