Carrillo, Manuel; Tejedor, Marisa (Maj 2007). Illustrations by Sergio H. Bello. »Los Zifios en las islas Canarias«(PDF). El Indiferente (v španščini). Centro de Educacion Ambiental Municipal. 19.
Masson, D.G.; Harbitz, C.B.; Wynn, R.B.; Pedersen, G.; Løvholt, F. (2006). »Submarine landslides: processes, triggers and hazard prediction«. Philosophical Transactions of the Royal Society A. London: Royal Society. 364 (1845): 2009–2039. Bibcode:2006RSPTA.364.2009M. doi:10.1098/rsta.2006.1810. PMID16844646. S2CID11012536.
Masson, D.G.; Harbitz, C.B.; Wynn, R.B.; Pedersen, G.; Løvholt, F. (2006). »Submarine landslides: processes, triggers and hazard prediction«. Philosophical Transactions of the Royal Society A. London: Royal Society. 364 (1845): 2009–2039. Bibcode:2006RSPTA.364.2009M. doi:10.1098/rsta.2006.1810. PMID16844646. S2CID11012536.
Masson, D.G.; Harbitz, C.B.; Wynn, R.B.; Pedersen, G.; Løvholt, F. (2006). »Submarine landslides: processes, triggers and hazard prediction«. Philosophical Transactions of the Royal Society A. London: Royal Society. 364 (1845): 2009–2039. Bibcode:2006RSPTA.364.2009M. doi:10.1098/rsta.2006.1810. PMID16844646. S2CID11012536.
Masson, D.G.; Harbitz, C.B.; Wynn, R.B.; Pedersen, G.; Løvholt, F. (2006). »Submarine landslides: processes, triggers and hazard prediction«. Philosophical Transactions of the Royal Society A. London: Royal Society. 364 (1845): 2009–2039. Bibcode:2006RSPTA.364.2009M. doi:10.1098/rsta.2006.1810. PMID16844646. S2CID11012536.