TY - BOOK AU - Kells, Lyman Morse AU - Bland, James R. TI - PLANE AND SPHERICAL TRIGONOMETRY U1 - 514 PY - 1951/// CY - New York PB - Mcgraw-Hill KW - Trigonometry, Plane KW - Trigonometry, Spherical N1 - Bound With The Author'S Five-Place Logarithmic And Trigonometric Tables, New York, 1935 ER -