LEADER 00837nam0-22002891i-450- 001 990006878650403321 005 20001010 035 $a000687865 035 $aFED01000687865 035 $a(Aleph)000687865FED01 035 $a000687865 100 $a20001010d--------km-y0itay50------ba 101 0 $aita 105 $ay-------001yy 200 1 $aAl norte del Rio Bravo (pasado immediato)$e1930-1981$fDavid Maciel. 210 $aMadrid$cSiglo Veintiuno$d1981. 215 $a234 p. 18 cm 225 1 $a<>clase obrera en la historia de Mexico$v17 700 1$aMaciel,$bDavid$0253869 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990006878650403321 952 $aXIV G 217 (17)$b11250$fFSPBC 959 $aFSPBC 996 $aAl norte del Rio Bravo (pasado immediato$9625682 997 $aUNINA DB $aGEN01