1.
Jansen, Jan. 2009. The infield-outfield farming system as a major solution for sustainable management of the semi-natural and cultural heritage in Parque Natural da Serra da Estrela. Lazaroa 29, 19–26. Retrieved November 27, 2024 from https://revistas.ucm.es/index.php/LAZA/article/view/LAZA0808110019A