@misc{Kopij_Grzegorz_Breeding_1998,
 author={Kopij, Grzegorz},
 volume={33},
 editor={Polska Akademia Nauk. Muzeum i Instytut Zoologii},
 number={3-4},
 copyright={Rights Reserved - Restricted Access},
 journal={Acta Ornithologica},
 address={Warszawa},
 howpublished={online},
 year={1998},
 publisher={Muzeum i Instytut Zoologii PAN},
 language={eng},
 language={pol},
 title={Breeding ecology of the Southern bald ibis Geronticus calvus in the Free State, South Africa},
 type={Text},
 keywords={Southern Bald Ibis, breeding biology, South Africa, Free State, census, birds, Geronticus calvus, Threskiornithidae, Aves},
}