著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Burfield, Ian and Bommel, Franz van and Birdlife International","Birds in Europe : population estimates, trends and conservation status",,BirdLife International,2004,BirdLife conservation series,,"0946888523,0946888531",,https://cir.nii.ac.jp/crid/1130282272461345664