Urry, J. B., Ferguson, N., & Mouat, D. A. (1979). A natural resource analysis of the province of Zinder, Niger, using remote sensing techniques. Arid Lands Natural Resources Committee, University of Arizona.
Chicago-viite (17. p.)Urry, J. B., N. Ferguson, ja David A. Mouat. A Natural Resource Analysis of the Province of Zinder, Niger, Using Remote Sensing Techniques. Tucson, Arizona: Arid Lands Natural Resources Committee, University of Arizona, 1979.
MLA-viite (8. p.)Urry, J. B., et al. A Natural Resource Analysis of the Province of Zinder, Niger, Using Remote Sensing Techniques. Arid Lands Natural Resources Committee, University of Arizona, 1979.
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