TY  - BOOK
ED  - Symposium on Information Systems: Connection and Compatibility: Varna, Bulgaria: 1974.
TI  - Information systems: Their interconnection and compatibility: Proceedings of a symposium
T2  - (Proceedings series)
SN  - 9200700756
PY  - 1975///
CY  - Vienna
PB  - International Atomic Energy Agency.
KW  - Information Systems-congresses
KW  - LibraryAutomation-congresses
KW  - Tuberculosis
ER  -