TY  - BOOK
AU  - Ray,George F.
TI  - The Diffusion of mature technologies
T2  - National institute of economic and social research (Cambridge University Press, Cambridge)
SN  - 0-521-26008-6
U1  - 338.06 21E
PY  - 1984///
CY  - Cambridge
PB  - Cambridge University Press
N1  - Bibliogr. p. 92-94
ER  -