000			003350000a22001450004500
245			_aPrinciples of mathematics
100			_aAllendoerfer, Carl B.
100			_aOakley, Cletus O.
250			_a2nd ed.
260			_aNew York _bMcGraw Hill _c1963
300			_axi, 540p.
080			_a51 _bA4
041			_aEN
942			_cBK _02
999			_c103630 _d103630