TY - BOOK AU - Breimer,R.F. AU - Kekem,A.J.Van AU - Reular,H.Van ED - United Nations Educational, Scientific and Cultural Organization, ED - International Soil Reference and Information Centre TI - Guidelines for soil survey and land evaluation in ecological research SN - 9231023667 (pbk.) U1 - 301.31 PY - 1986/// CY - Paris PB - UNESCO KW - Soil surveys KW - Land use, Rural KW - Evaluation KW - Echology KW - Research N1 - Bibliography : p. 113-117 ER -