TROLL, C. Hermann Lautensachs Lebenswerk. ERDKUNDE, [S. l.], v. 20, n. 4, p. 243–252, 1966. DOI: 10.3112/erdkunde.1966.04.01. Disponível em: https://www.erdkunde.uni-bonn.de/article/view/1504. Acesso em: 30 apr. 2025.