TY  - BOOK
AU  - Everett  M. Rogers
TI  - Diffusion of Innovations
U1  - 303.4 
PY  - 1962///
CY  - New York
PB  - Free Press and Collier-Macmillan
N1  - Everett  M. Rogers: Diffusion of Innovations.  New York.  Free Press and Collier-Macmillan, 1962.--(303.4ROG)
ER  -