Chopra, V.L. Plant breeding : theory and practice / V.L. Chopra. - 1st ed. - New Delhi : Oxford and IBH, 1994 - x, 471 p. : ill. figs. ; 25 cm. Includes Index. ISBN: 8120403886 Subjects--Topical Terms: Plant breeding Dewey Class. No.: 631.523 / CHP