v. 1. Differential equation models / edited by Martin Braun, Courtney S. Coleman, Donald A. Drew -- v. 2. Political and related models / edited by Steven J. Brams, William F. Lucas, Philip D. Straffin, Jr. -- v. 3. Discrete and system models / edited by William F. Lucas, Fred S. Roberts, and Robert M. Thrall -- v. 4. Life science models / edited by Helen Marcus-Roberts and Maynard Thompson.
