Critchfield, Howard J. General climatology / Howard J. Critchfield. - 4th ed. - Englewood Cliffs, N.J. : Prentice-Hall, 1992. - x, 453 p. : illus., maps. ; 24 cm. Includes bibliographical references and indexes. Subjects--Topical Terms: Environmental Science Dewey Class. No.: 551.6