@phdthesis{oai:tsukuba.repo.nii.ac.jp:00008467,
 author = {内海, 真生 and Utsumi, Motoo},
 month = {},
 note = {1996},
 school = {筑波大学, University of Tsukuba},
 title = {Ecological studies on the cell cycle of freshwater bacteria and its role in methane cycling},
 year = {1997}
}