00421nam a2200157Ia 450000500170000000800410001703700110005808200230006910000190009224500260011125000110013726000590014830000120020765000180021965000260023720260814110240.0260814t1988    xx            000 0 und d  acompra  aBIB/05.03.04/05536  aToffler, Alvin 0aEl "shock" del futuro  a4a. ed  aSantafé de Bogotá :bPlaza & Jones Editores,c1988  a632 pb  aCAMBIO SOCIAL  aCOMPORTAMIENTO SOCIAL