TY - BOOK AU - Knapp,Brian J. TI - Soil processes SN - 0046310118 : AV - S591 .K57 U1 - 631.4 PY - 1979/// CY - London, Boston PB - G. Allen & Unwin KW - Soil science KW - Soil formation N1 - Includes index; Bibliography: p. [66] ER -