000 00379 a2200145 4500
020 _a0716721155
082 _a510
_bPRA
090 _c7073
_d9852
245 _aFor all prctical purposes
_bintroduction to contemporary mathematics
250 _a2nd.
260 _aNew York
_bW.H.Freeman and Co,
_c1988
_g1991
300 _axvii, 626p.
_c25cm.
650 _aMATHEMATICS
942 _cL
999 _c35801
_d35801