2000年

46.長谷川幹夫，平英彰 (2000) 多雪地帯のスギ造林地に侵入した広葉樹の種組成構造の特徴. 日本林学会誌, 82:28-33.

https://www.jstage.jst.go.jp/article/jjfs1953/82/1/82_1_28/_article

47.KATO Akio, NAKATANI Hiroshi (2000) An approach for estimating resistance of Japanese cedar to snow accretion damage. Forest Ecology and Management, 135:83-96.

https://www.sciencedirect.com/science/article/abs/pii/S0378112700003005?via%3Dihub