000 00368nam a2200145Ia 4500
008 150518s1971||||xx |||||||||||||| ||und||
020 _a-
082 _a302.2
_bROG
100 _aRogers, Everett M.
245 _aCommunication of innovations
_cRogers, Everett M.
250 _a2d ed.
260 _aNew York
_b Free Press
_c1971
300 _axix, 476 p.
942 _cBK
999 _c16651
_d16651