00558nam a22002054a 450000100060000003500200000600300090002600500170003500800410005204000350009304100080012804400070013610000480014324500480019126400360023930000180027565000130029365000170030665000290032328285  a(Koha2011)63941AR-ReUNN20260702134951.0240315s1937    ag                  spa d  aAR-ReUNNbspacAR-ReUNNeaacr20 aspa  aag1 aPlekhanov, Georgii Valentinovichd1856-191810aLa concepción materialista de la historia 1aBuenos Aires : bRosso, c1937.  a108 páginas 4aHistoria 4aMaterialismo 4aFilosofia De La Historia