Aggarwal, M. L. A textbook of engineering drawing according to SP: 46 : 1988 Volume2./ by M. L. Aggarwal, R. K. Garg and R. Aggarwal. - New Dehli : Dhanpat Rai , 1998. - v. 2., 320 p. : ill. ; 25 cm. Subjects--Topical Terms: Mechanical drawing.