000 00299 a2200133 4500
080 _a518.6
_bA 425 S
245 1 _aSixplace tables
_cby E.S. Allen
250 _a4th edn.
260 _c1931
650 _aMathematical Tables
650 _aSixplace Tables
100 1 _aAllen, E.S.
_d
901 _a16672
999 _c25222
_d25222