00436nam a2200157 a 450000100100000000500170001000800410002704000250006808200150009310000300010824500530013826000370019130000200022849000150024883000150026300003722820200930080225.0120313s1967    ag            000 0 spa d  aDO-SdBNPbspacBNPHU  axxxxbxxxx1 aMarcelo Constanzo, Carlos13aEl rostro invisible /cCarlos Marcelo Constanzo.  aBuenos Aires, :bOptimus,c1967.  a48 p. ;c20 cm.1 aDiego azul 0aDiego azul