The essentials of geometry : [quick access to the important facts and concepts] / staff of Research and Education Association, M. Fogiel, Director. - Piscataway, N.J. : Research & Education Association, 1990. - v. V. 1 (1989, 70 p.) : V. 2 (1989, 71-153 p.) : ISBN: 0878916067 (V. I) 0878916075 (V. II) Subjects--Topical Terms: Geometry