著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Bogumila Maciusik and Magdalena Lenda and Piotr Skorka,"Corridors, local food resources, and climatic conditions affect the utilization of the urban environment by the Black-headed Gull Larus ridibundus in winter",Ecological research,09123814,Tokyo : Springer Japan,2010-03,25,2,263-272,https://cir.nii.ac.jp/crid/1521417755708592512,