Management and Processing of Complex Data Structures: Third Workshop on Information Systems and Artificial Intelligence, Hamburg, Germany, February 28 - March 2, 1994. Proceedings, ed. Kai v. Luck, Heinz Marburger, p. 76
Inductive Synthesis of Functional Programs: Universal Planning, Folding of Finite Programs, and Schema Abstraction by Analogical Reasoning,Ute Schmid, Springer, Aug 21, 2003, p. 240
Recent Trends in Data Type Specification: 10th Workshop on Specification of Abstract Data Types Joint with the 5th COMPASS Workshop, S. Margherita, Italy, May 30 - June 3, 1994. Selected Papers, Volume 10, ed. Egidio Astesiano, Gianna Reggio, Andrzej Tarlecki, p. 38
