Premkumar, Sridhar Graber's textbook of orthodontics: basic principles and practice Sridhar Premkumar - 4th ed - Noida Elsevier India Pvt. Ltd 2009 - x, 752 p. : col.ill. ; 30 cm Includes index ISBN: 9788131216798 Subjects--Topical Terms: Orthodontics Dewey Class. No.: 617.643 PRE