An analysis of Pre-Columbian balsa raft design to determine the suitability of such rafts for ancient maritime trade between Ecuador and Mexico | Semantic Scholar
Epic 1970s raft journey from Ecuador to Ballina still holds world record - ABC News
La Balsa;: The longest raft voyage in history,: 9780883490013: Books - Amazon.ca
Gabriel Salas: Little fuss made of navigator's achievement
The little raft that drifted from Ecuador to Mooloolaba
Did you know of these four daring ocean-crossing voyages before the Kon-Tiki? – The Kon-Tiki Museum
Balsa raft visits Newcastle, 1973 - Photo Time Tunnel