PCB contamination, reproductive success and population trends of the common tern (Sterna hirundo) in the Rhine-Meuse-Scheldt delta
Stronkhorst, J. (1992). PCB contamination, reproductive success and population trends of the common tern (Sterna hirundo) in the Rhine-Meuse-Scheldt delta. Ministerie van Verkeer en Waterstaat. Dienst Getijdewateren: Middelburg. 39 + bijlagen pp.