@phdthesis{oai:tsukuba.repo.nii.ac.jp:00020813,
 author = {佐藤, 俊幸 and Satoh, Toshiyuki},
 month = {},
 note = {1990},
 school = {筑波大学, University of Tsukuba},
 title = {Ecological studies on the ants, Camponotus nawai complex with special reference to the polygyny},
 year = {1991}
}