@article{oai:repository.dl.itc.u-tokyo.ac.jp:00037716, author = {KRYSHTOFOVICH, A.}, journal = {Journal of the College of Science, Imperial University of Tokyo}, month = {Apr}, note = {application/pdf}, pages = {1--73}, title = {On the Cretaceous Flora of Russian Sakhalin}, volume = {40}, year = {1918} }