Lake Veluwe, a macrophyte-dominated system under eutrophication stress /
Vierssen, Wilhelmus van.
Hootsmans, Michiel.
Vermaat, Jan.
Dordrecht [Netherlands] ; Boston : Kluwer Academic,
c1994.
Includes bibliographical references and index.
Lake ecology
Eutrophication
Sago pondweed
Water quality