000 00286nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a515.3 AYR/C FRA/C
100 _aFRANK AYRES
245 0 _aCALCULUS
260 _bUNIVERSITY OF TUTORIAL PRESS
_c1999
300 _a578
942 _cTB
999 _c24027
_d24027