TY  - BOOK
AU  - Everett M. Rogers
TI  - Diffusion of innovations. Ed 3
SN  - 0-02-926650-5
U1  - 303.4 
PY  - 1983///
CY  - New York
PB  - Free Press
N1  - Everett M. Rogers: Diffusion of innovations. Ed 3.  (3rd Ed)  New York.  Free Press, 1983. 0-02-926650-5--(303.4ROG)
ER  -