@article{article3c15a818,
title   = {Petrology and geochemistry of volcanic rocks of the cerro galan caldera, Northwest Argentina},
author = {Francis, P W and Sparks, R S J and Hawkesworth, C J and Thorpe, R S and Pyle, D M and Tait, S R and Mantovani, Marta Silvia Maria and Mcdermott, F},
year = {1989},
doi = {10.1017/s0016756800022834},
journal   = {Geological Magazine}
}