A Guide to the Nests and Eggs of British Nesting Birds - With Detailed Descriptions of Nests, Eggs, and Where to Look for Them Hall, Charles A. Digital bok / 2013 / Engelsk
Spain’s Photovoltaic Revolution The Energy Return on Investment Prieto Pedro A. Heftet / 2013 / Engelsk
Energy Return on Investment A Unifying Principle for Biology, Economics, and Sustainability Hall, Charles A.S. Innbundet / 2016 / Engelsk
