000 00353nam a2200133 i 4500
008 991231s1990 sp g spa
245 0 _aEnglish trough computers
260 _aMadrid
_b:McGraw-Hill
_c,1990
300 _a132
650 _aI
700 _aCASTILLO, Beatriz del
700 _aJORDAN, Geoff
997 _dFalta ISBN
_e1