%0 Journal Article %J Freshwater Biology %D 1990 %T Successional changes in the soft-water macrophyte vegetation of (sub)atlantic, sandy, lowland regions during this century %A Arts, G.H.P. %A Van der Velde, G. %A Roelofs, J.G.M. %A Van Swaay, C.A.M. %B Freshwater Biology %V 24 %P 287-294