00661cam a22002051 4500 516.244 KEL Kells, Lyman M. 39203 Plane and spherical trigonometry. Alternate ed. New York, London, McGraw-Hill book company, inc., 1943. xvii, 400 p. incl. front.(4 port.) illus., diagrs. 24 cm. "Answers": p. 365-395. 0 0 0 516_244000000000000_KEL MCE 379 Plane trigonometry. 39132 Spherical trigonometry. 39437 Bland, James R. 39438 Kern, Willis F. 39439 ddc BK 543932 543932 0 0 ddc 0 0 MCE MCE 2014-04-07 0 516.244 KEL MCE-1580 2014-04-07 2014-04-07 BK