000 00343nam a2200121 4500
020 _a968-36-2130-9
050 _aNX600.D4 REC
100 _aRECAMIER BERNARDO
245 _aFIRMAMENTOS GEOMETRICOS, GALERIA UNIVERSITARIA ARISTOS
260 _aMEXICO : CISM, UNAM
008 000000 A 0000000000 00
942 _cBK
999 _c1234
_d1234