O. G. Dely szerk.: Vertebrata Hungarica 6/1-2. (Budapest, 1964)

Horváth, L.: A kék vércse (Falco vespertianus L.) és a kis őrgébics (Lanius minor Gm.) élettörténetének összehasonlító vizsgálata 2. A fiókák kikelésétől az őszi elvonulásig 13-40. o.

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