000 00304nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a515.076 GIB/E
100 _aGEORGE A GIBSON
245 3 _aAN ELEMENTARY TREATISE ON THE CALCULUS
260 _bAJITH BOOK CENTRE
_c1933
300 _a527
942 _cTB
999 _c24061
_d24061