R. S. Hildebrand and J. B. Whalen, “Arc and Slab-Failure Magmatism in Cordilleran Batholiths I – The Cretaceous Coastal Batholith of Peru and its Role in South American Orogenesis and Hemispheric Subduction Flip”, GS, vol. 41, no. 3, pp. 255–282, Aug. 2014.