dhawan, r. k. a text book of engineering drawing [[Book] /] r. k.dhawan. - 14 th ed. - delhi : S. K. KATARIA & SONS, 1996. - 2 parts. ; 25 cm. Subjects--Topical Terms: geometrical drawings.machine drawing.bullding drawing. Dewey Class. No.: 604.2 National Library of Medicine Call No.: / DT