@article{oai:repository.dl.itc.u-tokyo.ac.jp:00037848,
 author = {Nakai, T.},
 journal = {The journal of the College of Science, Imperial University of Tokyo, Japan = 東京帝國大學紀要. 理科},
 month = {May},
 pages = {1--28},
 title = {Polygonaceæ Koreanæ},
 volume = {23},
 year = {1908}
}