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Survival in the Sahel. An ecological and developmental challenge: edited by K.M. Leisinger and K. Schmitt and the International Service for National Agricultural Research (ISNAR) ISNAR and Ciba-Geigy, The Hague, The Netherlands (1995)
Tilo UlbrichtVolume:
21
Year:
1996
Language:
english
Pages:
2
DOI:
10.1016/0306-9192(96)81815-x
File:
PDF, 156 KB
english, 1996