TY  - BOOK
AU  - Aitchison,Thomas Morton
TI  - The economics of technical information systems
U1  -  607.42 
PY  - 1974///
CY  - New York
PB  - Praeger
KW  - Technology
KW  - Great Britain
KW  - Information services
KW  - Communication of technical information
KW  - Cost effectiveness
ER  -