Authors: Zehnder, S Akesson, S Liechti, F Bruderer, B

Citation: S. Zehnder et al., Nocturnal autumn bird migration at Falsterbo, South Sweden, J AVIAN BIO, 32(3), 2001, pp. 239-248

Authors: Zehnder, S Karlsson, L

Citation: S. Zehnder et L. Karlsson, Do ringing numbers reflect true migratory activity of nocturnal migrants?, J ORNITHOL, 142(2), 2001, pp. 173-183