00627nam a2200181Ia 4500 190327s9999||||xx |||||||||||||| ||und|| NITIL NITIL 21st 631.586 R823C Rapp, A (Ed.) Can desert encroachment be stopped? a study with emphasis on Africa A Rapp Stockholm Swedish Natural Science Research Council 1976 241p.:ill+tab Ecological bulletins; no. 24 Desert-Africa; Desertification-Control-Africa; Desert reclamation-Africa Houerou, H N Le (Ed.) Lundholm, B (Ed.) BKS 62141 62141 0 0 DDC 0 0 NITIL NITIL 2019-04-04 0 631.586 R823C 108338 2019-04-04 00:00:00 2019-04-04 BKS