TY - GEN AU - Mapa , R.B AU - Nagarajah , S AU - Somasiri , S TI - Soils of the wet zone of Sri Lanka : morphology characterization and classification SN - 9558124001 U1 - 631.495493 PY - 1999/// CY - Colombo PB - Soil Science Society of Sri Lanka KW - SOIL SCIENCE KW - MORPHOLOGY KW - SOIL CHARACTERIZATION AND CLASSIFICATION ER -