VOGELTREKSTATION (1977) Communications of the Vogeltrekstation. LIMOSA 50 (1): 68-68.

The ring Vogeltrekstation report will subsequently own edition of the Institute for Ecological ONU ,, izaek. it appears So no longer LIMOSA. Interested parties may obtain the report by payment of f 4, giro 1027861 Vogeltrekstation of Arnhem

[free pdf] [dutch summary]