000 00352nam a2200145Ia 4500
020 _a9813091959
082 _b1079
_a001.642.030
100 _a"David A lien"
245 4 _aThe IBM basic hand book
260 _b,tech publications
_asingapore
_c1989
300 _a250
944 _cBK
999 _c516699
_d516699