00305nam a2200121Ia 4500008004100000041000800041084001200049100001700061245004000078260003200118653001600150653001700166160808s1966    xx            000 0 eng d  aeng  aB522CC  aLoney, S. L.  aPlane Trigonmetry /cby S. L. Loney  aLondon :bMacmillan,c1966.  aMathematics  aTrigonometry