Six-digit coding method.

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Bibliographic Details
Title:	Six-digit coding method.
Authors:	Qiao, Jinan, Qiao, Yizheng, Qiao, Sanzheng
Source:	Communications of the ACM; May 1990, Vol. 33, p491-494, 4p
Database:	Applied Science & Technology Source

Description
ISSN:	00010782
DOI:	10.1145/78607.78609