共 3 条
[1]
MACHINE-AIDED INDEXING OF TECHNICAL LITERATURE
[J].
INFORMATION STORAGE AND RETRIEVAL,
1973, 9 (02)
:79-84
[2]
KLINGBIEL PH, 1971, AD733800 REP
[3]
KLINGBIEL PH, 1971, DDCTR717 REP