%0 Book %A Aufmann, Richard N. %E Barker, Vernon C. %E Nation, Richard %I Houghton Mifflin Co %D 1990 %C Boston, MA %G English %B Aufmann, Richard N.. College algebra and trigonometry series %@ 0395526248 %T College trigonometry / Richard N. Aufmann, Vernon C. Barker, Richard D. Nation, Jr..