[ 发表于: Pollution ]
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Experimental calibration of Ellenberg's indicator value for nitrogen

1998

Wamelink, G.W.W. | Dobben, H.F. van | Eerden, L.J.M. van der (Institute of Forestry and Nature Research, P.O. Box 23, 6700 AA Wageningen (Netherlands))

Department for Environment, Food and Rural Affairs - United Kingdom