TY  - BOOK
AU  - Wolfe, J N
AU  - Aitchison, Thomas M
TI  - Economics of technical information systems
PY  - 1974///
CY  - New York: 
PB  - Praeger Publishers, 
KW  - Information science
KW  - Information services
KW  - Communication of technical information
KW  - Technology
ER  -