( NÖLB ) Draulans, D.. ¬The¬ effect of prey density on foraging behaviour and success of adult and first-year grey herons (Ardea cinerea).. - o.O. ReihenSign.: S-1001 Sign.: S-1001 * Sign.2: N * Standort: Kein Sonderstandort (Magazinsaufstellung) Regal: Landessammlung Naturkunde