000 00273nam a2200109Ia 4500
008 220201s1986 xx 000 0 eng d
100 _aKATZAN (HARRY)
245 0 _aOPERATING SYSTEMS : A PRAGMATIC APPROACH
250 _a2ND
260 _bCBS PUBLISHERS
_c1986
942 _2ddc
999 _c94885
_d94885