000 00249 a2200109 4500
080 _a517
_bG 449 E
245 1 _aElementary treatise on the calculus
_cby G.A. Gibson
260 _c1901
650 _aCalculus
100 1 _aGibson, G.A.
_d
901 _a317
999 _c24952
_d24952