000 00342 a2200133 4500
020 _a0335142826
082 _a004.0151
_bOPE
090 _c6046
_d8225
245 _aChapter 13 operations
_bBlock IV (Chapters 10-13)_
260 _aWalton
_bOpen University
_c1995
_g1988
300 _a39p.
_c29cm
650 _aMathematical principles
942 _cL
999 _c34843
_d34843