Staller, J. E. (2015) “Geological and archaeological evidence of El Niño events along the coast of El Oro Province Ecuador: Excavations at La Emerenciana a late Valdivia (ca. 2200 1450 B.C.) Ceremonial Center”, Maskana, 6(2), pp. 155–186. doi: 10.18537/mskn.06.02.12.