@article{oai:tamagawa.repo.nii.ac.jp:00000462,
 author = {芳山, 三喜雄},
 issue = {2},
 journal = {ミツバチ科学},
 month = {Dec},
 pages = {65--72},
 title = {世界におけるミツバチ減少の現状と欧米における要因},
 volume = {28},
 year = {2011}
}