00393nam a22001457a 450000100060000000300100000600500170001604000140003300800410004702000220008810000290011024500220013926000750016130000110023635167MX-SIABUC20260702210947.0  aMX-SIABUC050709s2017    mx #                spa d  a978-607-315-284-6  aAsimov, Isaac, 1920-1992  aRobots e imperio.  aMéxico :bPengin Random House Grupo Editorial, S. A. de C. V.,c2017  a502 p.