Gałaś, Andrzej; Panajew, Paweł; Cuber, Piotr. Stratovolcanoes in the Western Cordillera – Polish Scientific Expedition to Peru 2003–2012 reconnaissance research. Geotourism/Geoturystyka. 30 November 2015, 37 (2): 66. ISSN 2353-3641. doi:10.7494/geotour.2014.37.61(英语).
Gałaś, Andrzej; Panajew, Paweł; Cuber, Piotr. Stratovolcanoes in the Western Cordillera – Polish Scientific Expedition to Peru 2003–2012 reconnaissance research. Geotourism/Geoturystyka. 30 November 2015, 37 (2): 66. ISSN 2353-3641. doi:10.7494/geotour.2014.37.61(英语).