Following is a continuation of the list of titles and authors of the papers presented: Some Current Problems of Rain Stimulation Research. By Jerzy Neyman and Elizabeth L. Scott. First-Order Analysis of Model and Parameter Uncertainty. By C. Allin Cornell. Model Choice and Verification. By Marshall E. Moss. Model Choice and Validation. By Chester C. Kisiel and Lucien Duckstein. Stochastic and Statistical Models. By R. T. Clarke. Stochastic and Statistical Models. By P. R. O'Connell. Uncertainties in Deterministic Models. By David A. Woolhiser. Uncertainties in Deterministic Models. By R. P. Ibbett. Data Network Design. By Ignacio Rodriguez-Iturbe. Data Network Design - 2. By S. I. Solomon.