TY  - BOOK
TI  - Technological information systems and services for information: : Proceedings and documentation of the seminar convened by united nations economic commission for Europe , 2 to 6 Oct 1973 in Hungry
PY  - 1974///
CY  - Budapest: 
PB  - Hungarian Central Technical Library and Documentation Centre, 
KW  - Library
KW  - Scientific
KW  - Technical
ER  -