Hedin, Lars, and Eugene Hetherington. 2012. “Temperate Rainforests”. High-Latitude Rainforests and Associated Ecosystems of the West Coast of the Americas: Climate, Hydrology, Ecology, and Conservation 116: 57. Referenced from books.google.com: Temperate Rainforests.

Hedin, Lars, and Eugene Hetherington. 1996. “Atmospheric and Geologic Constraints on the Biogeochemistry of North and South American Temperate Rainforests”. In High-Latitude Rainforests and Associated Ecosystems of the West Coast of the Americas, 57–74. Springer. Referenced from link.springer.com: Atmospheric and Geologic Constraints on the Biogeochemistry of North and South American Temperate Rainforests.