( NÖLB ) Draulans, D.. ¬The¬ effect of disturbance on nocturnal abundance and behaviour of grey herons (Ardea cinerea) at a fish-farm in winter.. - o.O. ReihenSign.: S-1018 Sign.: S-1018 * Sign.2: N * Standort: Kein Sonderstandort (Magazinsaufstellung) Regal: Landessammlung Naturkunde