1. Samplesort: A sampling approach to minimal storage tree sorting;Frazer,1968
2. On the number of multiplications required to compute certain functions;Winograd,1967
3. Problem-solving methods in artificial intelligence;Nilsson,1971
4. The Search for Generality. Proceedings 1965 IFIP Congr.;Newell,1965
5. Heuristic search;Michie,1969