000 00281nam a2200121Ia 4500
008 220201s1987 xx 000 0 eng d
082 _a5.74
_bOWS
100 _aOwston, Reference onald .D .
245 0 _aSoftware
260 _bP.H.I. Learning .
_c1987
300 _a81
942 _2ddc
999 _c6650
_d6650