Authors: RASMUSSEN LM ANDERSEN OGN FRIKKE J LAURSEN K SALVIG J FLEET DM HALTERLEIN B HECKENROTH H MERCK T ROSNER HU SUDBECK P WOLFF WJ THISSEN JBM

Citation: Lm. Rasmussen et al., RED LIST OF BIRDS OF THE WADDEN SEA AREA, Helgolander Meeresuntersuchungen, 50, 1996, pp. 113-128