000 00251nam a2200097Ia 4500
001 13694
008 230930s9999 xx 000 0 und d
100 1 _aJordan, Geoff
245 1 0 _aEnglish through computers 1
260 _aBogotá : McGraw-Hill, 1990,
_c1990
999 _c10124
_d10124