000 00287nam a2200121Ia 4500
008 220201s1986 xx 000 0 eng d
082 _a0
_bLES
100 _aLesson,Marjorie .
245 0 _aComputer Operations Procedure and Management .
260 _c1986
300 _a605
942 _2ddc
999 _c6637
_d6637