FOLINSBEE, R. E.; LEECH, A. P. Energy - Challenge of Man’s Future (Part 2). Geoscience Canada, [S. l.], v. 1, n. 2, 1974. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/2827. Acesso em: 26 apr. 2024.