HOLM JAKOBSEN, Bjarne. J. Schultz: The Ecozones of the World - the Ecological divisions of the Geosphere. Springer, Berlin, 1995. x, 449 s., ill., 24 cm. DEM 128,-. Geografisk Tidsskrift, [S. l.], v. 98, 1998. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/42136. Acesso em: 25 dec. 2025.