00331nam a2200109Ia 4500008004100000082001700041100001700058245010200075250000800177260003000185300000600215260825b        |||||||| |||| 00| 0 eng d  a512bC558.AE  aChrystal, G.  aAlgebrab: an elementary text book for the higher classes of secondary schools and for colleges /  a7th  aNew York:bChelsea,c1964  a