Duff, Jhon M Engineering Design and Visualization/ Jon M. Duff and William A. Ross. - Delhi: Delmar/Cengage Learning India 2009 - 384p. :ill. ( some pic. ) 25cm. ISBN: 9788131512579 LC Class. No.: TA174 .D855 2009 Dewey Class. No.: TA174 .D855 2009 National Library of Medicine Call No.: TA174 .D855 2009