Jackson, J. E. 1934- Biology of apples and pears / John E. Jackson. - Cambridge, UK ; New York : Cambridge University Press, 2003 . - xii, 488 p. : ill. ; 24 cm. - Biology of horticultural crops . Includes bibliographical references and indexes. ISBN: 0521380189 LCCN: 2002-031549 Subjects--Topical Terms: Apples.Pear. Dewey Class. No.: 634/.1