000 00232nam a22001097a 4500
003 SGT
100 _aTANENBAUM,A.S.
245 _aOPERATING SYSTEM DESIGN AND IMPEL
250 _a3RD
260 _aNEW DELHI
_bPEARSON
942 _2ddc
_cCD
999 _c20035
_d20035