RIETZ, H. L.
College algebra, by H. L. Rietz and A. R. Crathorne. 3d ed.
RIETZ, H. L. College algebra, by H. L. Rietz and A. R. Crathorne. 3d ed. © on complete rewriting with added material; 9May29; A9053. Katherine L. Crathorne (W); 20Jun56; R172734.
Katherine L. Crathorne|W