PANCHESHNIKOV, Yelena. Columbia Earthscape: An Online Resource to the Global Environment. Issues in Science and Technology Librarianship, [S. l.], n. 35, 2002. DOI: 10.29173/istl1913. Disponível em: https://journals.library.ualberta.ca/istl/index.php/istl/article/view/1913. Acesso em: 13 apr. 2026.