000 00261nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aNELSON (DAVID) ED
245 0 _aPENGUIN DICTIONARY OF MATHEMATICS
250 _a2ND
260 _bPENGUIN BOOK
942 _2ddc
999 _c97633
_d97633