000 003610000a22001330004500
008 140223b1987 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _a9S425 M7
082 _a9S425 M7
100 _aDAVIS (William S) 1943
245 _aOperating systems:Systematic view.Ed.3.
260 _aMassachusetts
_bAddison Wesley
_c1987
650 _aMICROPROCESSOR.
999 _c222252
_d222252