000 00401nam a22001571a 4500
041 _aeng
082 _a510
_bL15
100 _aLankford, Francis G.
_921363
245 _aEssential mathematics
260 _bHarcourt, Brace & World
_aNew York
_c1961
300 _aviii, 536p.
650 _aMATHEMATICS
_98650
700 _aClark, John R.
_921364
700 _aUlrich, James F
_921365
942 _cLB
_2DDC
999 _c23057
_d23057
945 _a1
_bAdmin Admin
_c1
_dAdmin Admin