Vázquez-Urbez, M; C. Arenas; C. Sancho; C. Osácar; L. Auqué; G. Pardo (26 May 2009). "Factors controlling present-day tufa dynamics in the Monasterio de Piedra Natural Park (Iberian Range, Spain): depositional environmental settings, sedimentation rates and hydrochemistry". International Journal of Earth Sciences. 99 (5). Springer Berlin / Heidelberg: 1027–1049. doi:10.1007/s00531-009-0444-2. ISSN1437-3262.
"Patrimonio natural de Aragón". Departamento de Didáctica de las Ciencias Experimentales, Universidad de Zaragoza. Archived from the original(Spanish) on 2011-06-08. Retrieved 2009-11-23.
web.archive.org
"Patrimonio natural de Aragón". Departamento de Didáctica de las Ciencias Experimentales, Universidad de Zaragoza. Archived from the original(Spanish) on 2011-06-08. Retrieved 2009-11-23.
Vázquez-Urbez, M; C. Arenas; C. Sancho; C. Osácar; L. Auqué; G. Pardo (26 May 2009). "Factors controlling present-day tufa dynamics in the Monasterio de Piedra Natural Park (Iberian Range, Spain): depositional environmental settings, sedimentation rates and hydrochemistry". International Journal of Earth Sciences. 99 (5). Springer Berlin / Heidelberg: 1027–1049. doi:10.1007/s00531-009-0444-2. ISSN1437-3262.