Gill, P. S. A text book of geometrical drawing / by P. S. Gill. - 3rd ed. - Ludhiana : Dewan Sushil Kumar Kataria for B] D. Kataria & Sons, 1986. - x, 521 p. : illis. ; 24 cm. Subjects--Topical Terms: Geometrial Drawing. Dewey Class. No.: 516 / GIL