@article{oai:repository.dl.itc.u-tokyo.ac.jp:00037564, author = {Haga, Tamemasa and Osaka, Yukichi}, issue = {4}, journal = {The journal of the College of Science, Imperial University, Japan = 帝國大學紀要. 理科}, month = {}, note = {application/pdf}, pages = {255--267}, title = {The Acidimetry of Hydrogen Fluoride}, volume = {7}, year = {1895} }