000 00367 a2200145 4500
020 _a0749220589
082 _a515
_bOPE
090 _c8598
_d11884
100 _aThe Open University
245 _aAn inteoduction to calculus
_bunit 9 differentialion I
260 _aKeynes
_bThe Open University
_c1992
_g1995
300 _a55p.
_c30cm
650 _aAnalysis
942 _cL
999 _c37242
_d37242