@phdthesis{oai:tsukuba.repo.nii.ac.jp:00008463,
 author = {中山, 剛 and Nakayama, Takeshi},
 month = {},
 note = {1996},
 school = {筑波大学, University of Tsukuba},
 title = {18SrDNA phylogeny of the green algae with evaluation of morphological characters},
 year = {1997}
}