Critchfield, Howard J. . General Climatology / Textual Documents Howard J. Critchfield. - 2nd ed. / - New Delhi : Prentice-Hall of India(Pvt Ltd) , 1968. - xi,420p. : ill ; 23cm . Index Subjects--Index Terms: Geology Climate G-Geology Dewey Class. No.: 551.5 / C 69 G