@article{oai:ismrepo.ism.ac.jp:00032578,
 author = {樋口, 伊佐夫 and 種村, 正美 and 小山田, 和枝 and 長谷川, 政美 and Higuti, Isao and Tanemura, Masaharu and Oyamada, Kazue and Hasegawa, Masami},
 issue = {1},
 journal = {統計数理研究所彙報},
 month = {Mar},
 pages = {99--115},
 title = {ウミネコの生態調査(II) : 巣の配置の地図作成},
 volume = {28},
 year = {1981}
}