SVENSSON, H. Eric C. Barret and Leonard F. Curtis: Environmental remote sensing 1: applications and achievements og Environmental remote sensing 2: pratices and problems. Geografisk Tidsskrift, [S. l.], v. 77, 1978. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/45468. Acesso em: 25 apr. 2024.