00635nam a2200241 a 4500 AR-ReUNN 20260702150447.0 260701s1968 mx |||||||||||||||||spa 968-419-313-0 Kedrov, M. B. 101269 Spirkin, A. 101270 Bravo, José María 80221 La ciencia México Grijalbo 1968 157 páginas Ciencias Naturales 358 Clasificacion de las Ciencias 87269 Ciencias del Hombre 91390 Ciencia 237 LIB (HIS)161422 183613 0 0 0 1 HIS HIS GEN 2016-07-14 0 167 KED ej.1 44.08-005523 LIB 183613 183613 AR-ReUNN spa AR-ReUNN aacr2 0 0 0 1 HIS HIS GEN 2016-07-14 0 167 KED ej.1 44.08-005523 LIB