Plane and spherical trigometry.
Rider, Paul R.
Plane and spherical trigometry. - xiv, 143 p. : tabs. 24cm.
971-08-1918-6
Trigometry.
516.242 R435 1971
Plane and spherical trigometry. - xiv, 143 p. : tabs. 24cm.
971-08-1918-6
Trigometry.
516.242 R435 1971