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- [6] COLLECTION AND ORGANIZATION OF MATERIAL OF SOIL INVESTIGATIONS ON EDGE-PUNCHED CARDS SOVIET SOIL SCIENCE-USSR, 1966, (10): : 1102 - &
- [7] A SIMPLE MULTI-SORTER FOR SEPARATING EDGE-PUNCHED CARDS JOURNAL OF CHEMICAL DOCUMENTATION, 1961, 1 (02): : 78 - 78
- [8] INFORMATION-RETRIEVAL SYSTEM ON 2 EDGE-PUNCHED MATRIX CARDS NAUCHNO-TEKHNICHESKAYA INFORMATSIYA SERIYA 2-INFORMATSIONNYE PROTSESSY I SISTEMY, 1973, (09): : 27 - 28
- [9] PUNCHES WITH AN ELECTROMAGNETIC DRIVE FOR EDGE-PUNCHED AND PEEK-A-BOO CARDS NAUCHNO-TEKHNICHESKAYA INFORMATSIYA SERIYA 1-ORGANIZATSIYA I METODIKA INFORMATSIONNOI RABOTY, 1974, (06): : 18 - 18
- [10] AN INFORMATION RETRIEVAL SYSTEM ON SUBJECT OF ADHESION OF POLYMERS USING EDGE-PUNCHED CARDS (EXCHANGE OF EXPERIENCE) INDUSTRIAL LABORATORY, 1965, 31 (07): : 1063 - &