Nath, Radha Govinda . Conic Sections and Solid Geometry / Textual Documents Radha Govinda Nath. - 1st ed. / - Calcutta : G.N.Halder , 1909. - 81p. ; 20cm. Subjects--Index Terms: Solid Geometry G-Mathematics Dewey Class. No.: 513.22 / N 194 C