@article{oai:repository.dl.itc.u-tokyo.ac.jp:00037737,
 author = {SOTOME, Kiyofusa},
 journal = {Journal of the College of Science, Imperial University of Tokyo},
 month = {Nov},
 note = {application/pdf},
 pages = {1--31},
 title = {Considerations on the Problem of Latitude Variation},
 volume = {37},
 year = {1915}
}