Foundations of geometry and trigonometry / Howard Levi. Levi, Howard, 1916- Geometry Foundations. Trigonometry. QA681 .L4 1975 513 LEF Reprint of the ed. published by Prentice-Hall, Englewood Cliffs, N.J.; with a new introd. Includes index. Huntington, N.Y. : R. E. Krieger Pub. Co., c1960. c1960. 1975 Text xiv, 347 p. : eng