TY  - BOOK
AU  - Unesco
ED  - Unesco
TI  - Dare information system :  a condensed system description Computer design Version 2
T2  - Reports and papers in the social sciences; 31
U1  - 2:97N72, L5 (2) 
PY  - 1975///
CY  - Paris
PB  - Unesco       
KW  - LIBRARY SCIENCE
ER  -