TY  - BOOK
AU  - Rogers,Everett M.
TI  - Diffusion of innovations
SN  - 0743222091
AV  - HM621 .R57 2003
PY  - 2003///
CY  - New York
PB  - Free Press
KW  - Diffusion of innovations
KW  - History
N1  - Includes bibliographical references (p. 477-535) and indexes
ER  -