00541nam a2200157Ia 4500008004100000010001300041020001800054040001700072082002300089100002000112245006100132260004000193300001400233500003700247650009900284190328s9999||||xx |||||||||||||| ||und||  a72-13021  a0-471-98130-3  aNITILcNITIL  221sta301.24bZ22P  aZaltman, Gerald 0aProcesses and phenomena of social changecGerald Zaltman  aNew YorkbJohn Wiley and Sonsc1973  axi, 463p.  aA Wiley-Interscience publication  aSocial change-Addresses, essays, lectures; Diffusion of innovation-Addresses, essays, lectures