Plane and spherical trigonometry /
Rider, Paul R.
Plane and spherical trigonometry / Paul R. Rider. - New York : The Macmillan Company, c1971. - xiv, 275 pages : Illustration ; 21 cm.
9710819186
Plane and spherical trigonometry / Paul R. Rider. - New York : The Macmillan Company, c1971. - xiv, 275 pages : Illustration ; 21 cm.
9710819186