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- [5] ABSTRACT JOURNAL, SCIENTIFIC AND TECHNICAL INFORMATION - INSTITUTE-OF-SCIENTIFIC-INFORMATION AMERICAN DOCUMENTATION, 1969, 20 (04): : 388 - 389
- [6] SCIENTIFIC-TECHNICAL INFORMATION IN JOURNAL CYBERNETICS NAUCHNO-TEKHNICHESKAYA INFORMATSIYA SERIYA 2-INFORMATSIONNYE PROTSESSY I SISTEMY, 1967, (01): : 41 - &