Kirk, David L. Volvox : molecular-genetic origins of multicellularity and cellular differentiation / David L. Kirk - Cambridge : Cambridge University Press, 2005 - xvi, 381 p. : ill. ; 23 cm. - Developmental and cell biology series . Includes bibliographical references and index ISBN: 9780521019149 (pbk.) 9780521452076 (hbk.) Subjects--Topical Terms: Volvox