TROLL, C. Fortschritte der Meteorologie. ERDKUNDE, [S. l.], v. 7, n. 3, p. 236–236, 1953. DOI: 10.3112/erdkunde.1953.03.08. Disponível em: https://www.erdkunde.uni-bonn.de/article/view/1077. Acesso em: 30 apr. 2025.