TY - BOOK AU - Buringh, P. TI - Introduction to the study of soils in tropical and subtropical regions U1 - 631.4913 21st ed. PY - 1968/// CY - New Delhi PB - Oxford and IBH Publication Co. KW - Soils KW - Soils science KW - Tropics N1 - Index: p. 120-24 ER -