1. “A Note on Equivalent Systems of Linear Diophantine Equations,” Stichting Math. Centrum, Amsterdam, BW 12/71 (July 1971)
2. “Intersection Cuts from Maximal Convex Extensions of the Ball and the Octahedron,” Management Sciences Research Report No. 214, Carnegie-Mellon University, Pittsburgh, Pa.
3. “Transformation of Integer Programs to Knapsack Problems,” Yale-Report No. 37 (Nov. 1970), Yale University, New Haven, Connecticut. Published in Discrete Math. 1, 29–45 (1971).
4. “Heuristic Solution Methods and Transformed Integer Linear Programming Problems,” Yale-Report No. 43 (Mar. 1971), Yale University, New Haven, Connecticut; forthcoming in Proceedings of the Fifth Annual Princeton Conference on Information Sciences and Systems, 1971.
5. and , “On the Treatment of Stock Cutting Problems as Diophantine Programs,” North Carolina State University and Corning Glass Research Center (May 11, 1970).