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Approaches to resource management : an introd. for Australian students
Powell, J. M. - 1980
Persistent link: https://www.econbiz.de/10004737261
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Annual and seasonal temperature and precipitation trends in British Columbia since 1890
Powell, J. M. - 1965
Persistent link: https://www.econbiz.de/10002667908
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Conference summary. - [1994]. - VII, 50 S.
Powell, Joseph M. (ed.); Fernández-Rivera, S. (ed.);  … - 1994
Persistent link: https://www.econbiz.de/10000944933
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Technical papers. - 1995. - VII, 560 S. : graph. Darst.
Powell, Joseph M. (ed.); Fernández-Rivera, S. (ed.);  … - 1994
Persistent link: https://www.econbiz.de/10000944934
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Interregional environmental policy in Australia's Murray-Darling Basin
Powell, Joseph M. - In: The arid frontier : interactive management of …, (pp. 55-73). 1998
Persistent link: https://www.econbiz.de/10001324068
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Nutrient cycling in integrated rangeland/cropland systems of the Sahel
Powell, J. M.; Fernandez-Rivera, S.; Hiernaux, P.; … - In: Agricultural Systems 52 (1996) 2-3, pp. 143-170
Persistent link: https://www.econbiz.de/10005373562
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Nitrogen and phosphorus transfers in a crop-livestock system in West Africa
Powell, J. M.; Mohamed-Saleem, M. A. - In: Agricultural Systems 25 (1987) 4, pp. 261-277
Persistent link: https://www.econbiz.de/10005384435
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Australian space, Australian time : geographical perspectives
Powell, J. M. (contributor) - 1975
Persistent link: https://www.econbiz.de/10004697267