Can desert encroachment be stopped? : A study with emphasis on Africa
著者
書誌事項
Can desert encroachment be stopped? : A study with emphasis on Africa
（Ecological bulletins, no. 24）
NFR Editorial Service, c1976
大学図書館所蔵 全3件
注記
Includes bibliographical references
"Report published in cooperation between the United Nations Environment Programme (UNEP) and the Secretariat for International Ecology, Sweden (SIES)."