@article{oai:tsukuba.repo.nii.ac.jp:00016823,
 author = {KOKUVO, Nozomu and 徳永, 幸彦 and TOKUNAGA(TOQUENAGA), Yukihiko and GOKA, Koichi},
 issue = {1},
 journal = {Applied entomology and zoology},
 month = {Feb},
 pages = {19--23},
 title = {Estimating colony number of Bombus terrestris (Hymenoptera, Apidae) queens foraging in Biratori, Hokkaido, Japan},
 volume = {43},
 year = {2008},
 yomi = {トクナガ, ユキヒコ}
}