Allen, David. Developing successful new products : a guide to product planning / David Allen. - London : Financial Times/Pitman Publishing, 1993. - xiv, 306 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0273601504 Subjects--Topical Terms: New products--Planning.Product management. Dewey Class. No.: 658.5 / ALD 1993