Khurmi, R. S. Mechanical engineering : objective types / R. S. Khurmi, Joyeeta Gupta. - 5th ed. - [S.l.] : S Chand & Co Ltd, 2005. - 536 p. ; 24 cm. New updated edition. First edition was in 1984. ISBN: 8121906288 (paperback) 9788121906289 (paperback)