TY  - BOOK
AU  - Norris, Keith
AU  - Vaizley, John
TI  - The Economics of research and technology
SN  - 0-04-330227-0
U1  - 607.2 21st
PY  - 1973///
CY  - London
PB  - George Allen and Unwin
KW  - Research; Research and development contacts; Diffusion of innovationsl; Technological innovations
ER  -