00601nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001600084100003000100245009400130260003500224300001700259650002900276942000700305999001500312952009200327IN-BaIIA211028s9999    xx            000 0 eng d  a0-87692-135-7  cIIA Library  a681.31bHAN  aHansen, Per Brinch914026 0aOperating systems principlescPer Brinch Hansen                                            aNew DelhibPrentice-Hallc1984  axviii, 366p.  aOperating systems910274  cBK  c8364d8364  00104070aBANbBANcGENd1985-07-15l0o681.31/ HANp9213r2021-11-05w1985-07-15yBK