TY  - BOOK
AU  - Frielink A B Ed.
TI  - Economics of informatics:  Proceedings of the I B I   
T2  - Intergovernmental Bureau for Informatics, Publication
U1  - X:(D6,9(B), L5 
PY  - 1975///
CY  - Amsterdam
PB  - North Holland         
KW  - Operations Rersearch Economics
ER  -