@misc{Dzięciołowski_R._M._Age_1989,
 author={Dzięciołowski, R. M. and Clarke, C. M. H.},
 volume={34},
 number={38},
 copyright={Rights Reserved - Free Access},
 journal={Acta Theriologica},
 address={Białowieża},
 howpublished={online},
 year={1989},
 language={eng ; Sum. eng. ; pol.},
 title={Age structure and sex ratio in a population of harvested feral pigs in New Zealand},
 type={Text},
 URL={http://www.rcin.org.pl/Content/11355/PDF/BI002_2613_Cz-40-2_Acta-T34-nr38-525-536_o.pdf},
 keywords={age structure, age determination, feral pig, New Zealand, population, sex ratio, Sus scrofa, struktura wiekowa, struktura płciowa, zdziczałe świnie, oznaczanie wieku},
}