000 00276pam a2200121a 44500
082 _a510
_bH789m2
100 _aHorton, Holbrook L.
245 1 _aMATHEMATICS AT WORK
260 _aNew York
_bIndustrial Press
_c1957
300 _a28-12
964 _gCIRC
997 _a21237 C
999 _c426004
_d426004