00394nam a2200181Ia 4500008004100000082001100041082000800052100002100060245004700081260001400128260000900142300001600151365000800167365001100175365000600186365000600192650001400198181031s9999    xx            000 0 und d  a302.23  bMCL  aMcLuhan Marshall  aUnderstanding Media:the exttensions of man  bMIT Press  c1994  aXXIII,365p.  b763  cRupees  d0  e0  aSociology