2)雨嶋克憲・小松裕幸・伴武彦・諸藤聡子・田中章 (2003) :トウキョウサンショウウオのハビタット適正指数(HSI)モデル (案) の作成と HEP のケーススタディについて:環境アセスメント学会誌 1(2), 31-39
3)del Hoyo, J., Elliott, A. & Sargatal, J. eds. (1994) : Handbook of the birds of the world. Vol. 2.: Lynx Edicions, Barcelona.
4)Daw, S.K. & DeStefano, S. (2001) : Forest characteristics of northern goshawk nest stands and post-fledging areas in Oregon: Journal of Wildlife Management 65:59-65.
5)DeStefano, S. & McCloskey, J. (1997) : Does vegetation structure limit the distribution of Northern Goshawks in the Oregon coast ranges?: J. Raptor Res. 31, 34-39.