000 00244nam a2200121Ia 4500
008 220201s1989 xx 000 0 eng d
082 _a4
100 _aNASHELSKY
245 0 _aIBM PC/XT
260 _bPHI
_c1989
300 _a310
942 _2ddc
999 _c31464
_d31464