Plane and spherical trigonometry /
Kells, Lyman M.
Plane and spherical trigonometry / Lyman M. Kells, Wills F. Kern and James R. Bland. - 3rd ed. - - New York: McGraw-Hill, c1978. - x, 118 p. : ill. ; 22 cm.
Includes appendices and index.
97108-1917-8 (pbk.)
Plane and spherical trigonometry / Lyman M. Kells, Wills F. Kern and James R. Bland. - 3rd ed. - - New York: McGraw-Hill, c1978. - x, 118 p. : ill. ; 22 cm.
Includes appendices and index.
97108-1917-8 (pbk.)
