@article{oai:kanazawa-u.repo.nii.ac.jp:00049996,
 author = {井原, 正昭 and Ihara, Masaaki},
 issue = {1},
 journal = {植物地理・分類研究(北陸の植物), The journal of phytogeography and taxonomy (The Journal of Geobotany)},
 month = {Jun},
 pages = {1--11},
 title = {The Nature and Possible Cause of U-Type Bridge and Loop Configurations in Three Species of Trillium},
 volume = {30},
 year = {1982}
}