000 00321nam a2200121 i 4500
008 991231s1991 sp g spa
100 _aSHELDON, Tom
245 0 _aWindows 3. Manual de referencia
260 _aMadrid
_b:McGraw-Hill
_c,1991
300 _a656
650 _aI
997 _dFalta ISBN
_e1