@article{oai:nipr.repo.nii.ac.jp:00001946,
 author = {Yanai, Keizo and Takeda, Hiroshi and Shimoyama, Akira},
 journal = {Memoirs of National Institute of Polar Research. Special issue},
 month = {Jul},
 note = {P(論文)},
 title = {Foreword},
 volume = {41},
 year = {1986}
}