Hepher,Balfour, 1925-. Nutrition of pond fishes / Balfour Hepher. - Cambridge: Cambridge University Press, 1988. - x, 388 p. : ill. ; 24 cm. Includes bibliographies and indexes. ISBN: 0251341507 LCCN: 87-024968 Subjects--Topical Terms: Fishes--Feeding and feeds.Fish ponds.