ID:DA04425781
Lagemann, J. (Johannes)
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Hans E. Jahnke, Dieter Kirschke, and Johannes Lagemann ; in collaboration with K.J. Billing ... [et al.]
World Bank c1987 CGIAR study paper no. 21
Available at 4 libraries
H. von Platen, G. Rodriguez P. y J. Lagemann
CATIE 1982
Available at 1 libraries
von Johannes Lagemann
Weltforum Verlag 1977 Afrika-Studien 98