author = { Vogel, Susanne },

title = { Seals in the Schleswig-Holstein Wadden Sea Wadden Sea Ecosystem Research sub-project Wadden Sea of Schleswig-Holstein; sections of a research project 108 02 085/01 },

publisher = {Umweltbundesamt},

keywords = { Schleswig-Holsteinisches Wattenmeer , Kegelrobbe , Seehund },

year = {1998},

booktitle = {Texte / Umweltbundesamt ; 97,83},

booktitle = {Environmental research plan of the Federal Ministry of the Environment, Nature Conservation and Reactor Safety ; Environmental planing, ecology},

address = { Berlin },

url = { http://slubdd.de/katalog?TN_libero_mab2 }