@article{oai:repository.dl.itc.u-tokyo.ac.jp:00037972,
 author = {Ishikawa, C.},
 issue = {4},
 journal = {The journal of the College of Science, Imperial University of Tokyo, Japan = 東京帝國大學紀要. 理科},
 month = {Mar},
 note = {application/pdf},
 pages = {243--262},
 title = {Furthur Observations on the Nuclear Division of Noctiluca},
 volume = {12},
 year = {1900}
}