Andrews, John T. Glacial systems : an approach to glaciers and their environments / J. T. Andrews. - North Scituate, Mass. : Duxbury Press, 1975. - xiii, 191 p. : ill. ; 23 cm. - Environmental systems library. . Includes bibliographies and index. ISBN: 0878120715 Subjects--Topical Terms: Glaciers.Glacial epoch.Glacial landforms.