Navarro Cerrillo, R. (2007) “Using remote-sensing to map defoliation of Scotch pine (Pinus sylvestris L.) and Austrian pine (Pinus nigra Arnold.) forests in Los Filabres Range”, Ecosistemas, 16(3). Available at: https://revistaecosistemas.net/index.php/ecosistemas/article/view/464 (Accessed: 15 October 2025).