TY - BOOK ED - United Nations Environment Programme (UNEP) TI - Rangeland and soil conservation: report of the training course ,,Rangeland ecology, management and productivity" held in the USSR under UNEP/USSR/SADCC Project FP/6201-87-06, 23 September--,10 October 1987 AV - S623 U55 1990 PY - 1987/// CY - Russia, Moscow PB - Centre for international projects KW - Soil conservation KW - Rangelands KW - Economic aspects KW - Planning N1 - Includes bibliographical references and index ER -