@article{oai:repository.dl.itc.u-tokyo.ac.jp:00037910,
 author = {Yabe, Hisakatsu},
 journal = {The journal of the College of Science, Imperial University of Tokyo, Japan = 東京帝國大學紀要. 理科},
 month = {Jun},
 note = {application/pdf},
 pages = {1--55},
 title = {Cretaceous Cephalopoda from the Hokkaido.  Part 1.  Lytoceras, Gaudryceras and Tetragonites},
 volume = {18},
 year = {1903}
}