00482cam a22002054a 4500001001000000003001000010005001700020008004100037020001500078040002500093041000800118044000700126080000800133100001900141245002500160260003900185300001100224504003100235655001000266FH-001858AR-SSjUCJ20250923214523.0250923s1990    sp            000 0 spa d  a8401230160  aAR-SSjUCJcAR-SSjUCJ0 aspa  asp  aLES1 aToffler, Alvin13aEl cambio del poder.  aBarcelona :bPlaza & Janes,c1990.  a618 p.  aBibliografía p. 547-572. 7aTexto