000 00399nam a2200181Ia 4500
008 210723s9999||||xx |||||||||||||| ||und||
020 _a0 00 197251 0
035 _a28267
082 _a510
_BPOR
100 _aPorkess, R.
245 0 _aMathematics Study And Revision
250 _a-
260 _aNew York
_bCollins
300 _a52
500 _a1632
650 _aMathematics
942 _cBK
999 _c28267
_d28267