Buol, S W. Soil genesis and classification / by S. W. Buol... et al. . - 4th ed / . - New Delhi : Panima Publishing , 1998. - xvi, 527p. : tables, figs and pictures ; 24cm . Includes bibliography and index ISBN: 8186535233 Rs. 595.00 Subjects--Index Terms: SOIL CLASSIFICATION Dewey Class. No.: 631.44 / BUO/S