Plane and spherical trigonometry /
Kells M. Lyman.
Plane and spherical trigonometry / with tables : Lyman M. Kells. - 3rd. Ed. - New York McGraw-Hill c1935 - ix, 118p. : ill.
9710819178
Cir. 516.24 K459 / c1935
Plane and spherical trigonometry / with tables : Lyman M. Kells. - 3rd. Ed. - New York McGraw-Hill c1935 - ix, 118p. : ill.
9710819178
Cir. 516.24 K459 / c1935