Salomón, Roberto
Rodríguez-Calcerrada, Jesús
González-Doncel, Inés
Gil, Luis
Valbuena-Carabaña, María
Funding for this research was provided by:
Autonomous Organism of Spanish National Parks (OAPN/030/2007)
Autonomous Organism of Spanish National Parks (OAPN/047/2010)
Autonomous Organism of Spanish National Parks (Prop23/10 JD/pl)
Autonomous Community of Madrid (CAM P2009/AMB-1668)