Spikings, R.A.; Winkler W.; Seward D.; Handler R. (2001). "Along-strike variations in the thermal and tectonic response of the continental Ecuadorian Andes to the collision with heterogeneous oceanic crust". Earth and Planetary Science Letters. 186 (1): 57–73. Bibcode:2001E&PSL.186...57S. doi:10.1016/S0012-821X(01)00225-4.
Spikings, R.A.; Winkler W.; Seward D.; Handler R. (2001). "Along-strike variations in the thermal and tectonic response of the continental Ecuadorian Andes to the collision with heterogeneous oceanic crust". Earth and Planetary Science Letters. 186 (1): 57–73. Bibcode:2001E&PSL.186...57S. doi:10.1016/S0012-821X(01)00225-4.