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1Digital revistaSCIELO
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2Texto bibliotecaFAO IT
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3Digital revistaSCIELO
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7Conference Paper bibliotecaCGIAR
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8by DeVries, J.J. (ed.), Chaparral Ecosystems Research Conference eng 16-17 May 1985 Santa Barbara, CA (USA)
Published 1986Texto bibliotecaFAO IT -
9by Heitkamp,A, Suh,J, Gebhardt,S, van Roosmalen,J, Murray,L R, de Vries,J I, van den Akker,T, Theron,G
Published 2022Digital revistaSCIELO -
10by Callaham, R.Z., California Watershed Management Conference eng 18-20 Nov 1986 West Sacramento, CA (USA), DeVries, J.J.
Published 1987Texto bibliotecaFAO IT -
11by Staunton,C, Adams,R, Botes,M, Dove,E S, Horn,L, Labuschaigne,M, Loots,G, Mahomed,S, Makuba,J, Olckers,A, Pepper,M S, Pope,A, Ramsay,M, Loideain,N N, de Vries,J
Published 2019Digital revistaSCIELO -
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