TY  - BOOK
AU  - Kravec, L. G.
ED  - "Inventive activity and scientific and technical progress. Problems of patient information retrieval", scientific symposium
TI  - Perspectives of development of patent information processing and retrieval system
PY  - 1969///]
CY  - [M.
KW  - Москва
KW  - Жф(0)2
KW  - rubbk
ER  -