Hartmann, Hudson T. Plant propagation : principles and practices / Hudson T. Hartmann and Dale E. Kester. - 3rd ed. - New Delhi : Prentice-Hall of India, c1975 [printing 1976]. - viii,662 p. : ill. ; 24 cm. Includes index. Subjects--Topical Terms: Plant propagation.Plantes --Multiplication. Dewey Class. No.: 631.53 / HAP 1976