00349nam a22001337a 450000500170000000800410001702000140005804100080007208200190008010000230009924500490012226000290017130000150020020260707151003.0260707b        |||||||| |||| 00| 0 eng d  a041674270  aeng  a301.242bBRO/I  aBrown, Lawrence A.  aInnovation Diffusionc/ by Lawrence A. Brown  aLondon:bMethuen,c1981.  axx, 345p.;