Frakes, Lawrence A. Climate modes of the phanerozoic : the history of the earth's climate over the past 600 million years / Lawrence A. Frakes, Jane E. Francis, Jozef I Syktus. - Cambridge : Cambridge University Press, 1992. - xi, 274 p. : ill., maps. Includes bibliographical references and index. ISBN: 0521366275 LCCN: 92004727 Subjects--Topical Terms: Paleontology.Historical geology.Paleoclimatology.