Biological control of Salvinia molesta in Sri Lanka: an assessment of costs and benefits / Jacobus A. Doeleman (1989)
Doeleman, JA.
1989.
Biological control of Salvinia molesta in Sri Lanka: an assessment of costs and benefits.
Australian centre for International Agriculture Research, Canberra (Australie).
14 pp.
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Rapport (1989) Adobe Acrobat PDF |