Palmer,Claude Irwin
Plane and spherical trigonometry - 14th ed. - New York McGraw-Hill 1934 - xiv, 229p. illus 20 cm.
Trigonometry
514 / PAL/1934
Plane and spherical trigonometry - 14th ed. - New York McGraw-Hill 1934 - xiv, 229p. illus 20 cm.
Trigonometry
514 / PAL/1934