RICH BARNETT PRINCIPLES AND PROBLEMS OF PLANE GEOMETRY 850 SDOLVED PROBLEMS - 0 - NEW YORK-U.S.A. SCHAUM PUBLISHING 1963 - 231 pag 28 cm - 0 0 . METHOOS-PARALLELOGRAMS/SIMILARITY-INIQUALITIES Subjects--Topical Terms: CIENCIAS PURAS Dewey Class. No.: 516.22 / R54