共 30 条
- [1] EDGE-NOTCHED CARDS OR PEEK-A-BOO CARDS FOR DOCUMENTATION NACHRICHTEN FUR DOKUMENTATION, 1967, 18 (02): : 53 - 53
- [4] A FURTHER POSSIBILITY FOR REPRODUCTION OF PEEK-A-BOO CARDS FOR IMMEDIATE DOCUMENTATION NACHRICHTEN FUR DOKUMENTATION, 1967, 18 (3-4): : 123 - 123
- [6] VALUE AND PUBLICATION TECHNIQUE OF A DOCUMENTATION SERVICE BASED ON PEEK-A-BOO CARDS NACHRICHTEN FUR DOKUMENTATION, 1967, 18 (02): : 50 - 50
- [7] 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
- [9] APPLICATION OF RANDOM SUPERIMPOSED CODING + CHAIN SPELLING TO PEEK-A-BOO CARDS AMERICAN DOCUMENTATION, 1964, 15 (02): : 89 - &
- [10] A POLYHIERARCHIC CODED PEEK-A-BOO CARD FILE WITHOUT ORDERLY REFILING OF CARDS NACHRICHTEN FUR DOKUMENTATION, 1967, 18 (05): : 188 - 188