000 00261nam a2200109Ia 4500
001 9987
008 231023s9999 xx 000 0 und d
100 1 _aSheldon, Tom
245 1 0 _aWindows 3.1 a su alcance
260 _aOsborne/McGraw-Hill 1992,
_c1992
999 _c61218
_d61218
942 _n1