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1Digital revistaSCIELO
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2by McRoberts, M.R. 1423211786636, 184100 FAO, Rome (Italy) eng, Jansen, A.A.J. 1423211786634
Published 1972Texto bibliotecaFAO IT -
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4by Hutchings,L., Augustyn,C.J., Cockcroft,A., Van der Lingen,C., Coetzee,J., Leslie,R.W., Tarr,R.J., Oosthuizen,H., Lipinski,M.R., Roberts,M.R., Wilke,C., Crawford,R., Shannon,L.J., Mayekiso,M.
Published 2009Digital revistaSCIELO