Khanna, M.L. Solid geometry: co-ordinate geometry of three dimensions for honoors & post graduate students of containing/ Khanna M.L. - 19th ed. - Meerut: Jai prakash nath, c2003 - xx, 540p.: illus.,; 20 cm. Dept. of civil Subjects--Topical Terms: Math Dewey Class. No.: 516.23 / KHS 19th ed. c2003