Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

	1	Dennis M. Moyles , Gerald L. Thompson, An Algorithm for Finding a Minimum Equivalent Graph of a Digraph, Journal of the ACM (JACM), v.16 n.3, p.455-460, July 1969  [doi>10.1145/321526.321534]
	2	Stephen Warshall, A Theorem on Boolean Matrices, Journal of the ACM (JACM), v.9 n.1, p.11-12, Jan. 1962  [doi>10.1145/321105.321107]
	3	BERZTISS, A T Data Structures. Academic Press, New York, 1971.

• Data structures for quadtree approximation and compression Communications of the ACM   28, 9
  Hanan Samet
  
  
• A hierarchical single-key-lock access control using the Chinese remainder theorem Proceedings of the 1992 ACM/SIGAPP Symposium on Applied computing
  Kim S. Lee ,  Huizhu Lu ,  D. D. Fisher
  
  
• The GemStone object database management system Communications of the ACM   34, 10
  Paul Butterworth ,  Allen Otis ,  Jacob Stein
  
  
• Putting innovation to work: adoption strategies for multimedia communication systems Communications of the ACM   34, 12
  Ellen Francik ,  Susan Ehrlich Rudman ,  Donna Cooper ,  Stephen Levine
  
  
• An intelligent component database for behavioral synthesis Proceedings of the 27th ACM/IEEE Design Automation Conference on
  Gwo-Dong Chen ,  Daniel D. Gajski