Bhatt, N. D. Geometrical and machine drawing; a text book for diploma students. - 1st ed. - Anand, Charotar Book Stall, 1962. - 135 p. illus. 25 cm. LCCN: sa 62000929 Subjects--Topical Terms: Geometrical drawing.Mechanical drawing. LC Class. No.: T353 / .B46