TY  - BOOK
AU  - Rogers,Everett M.
TI  - Diffusion of innovation
AV  - HM101 .R57 1962
U1  - 301.24 
PY  - 1962///
CY  - New York
PB  - The Free Press of Glencoe
KW  - Social change. Technological innovations
KW  - Social aspects. Diffusion of innovations
ER  -