" "Geology" 6 (3) pp 174 – 178* Martin Meschede and Udo Barckhausen, "Plate tectonic evolution of the Cocos-Nazca spreading center" (pdf file)
" "Geology" 6 (3) pp 174 – 178*Martin Meschede and Udo Barckhausen, "Plate tectonic evolution of the Cocos-Nazca spreading center" (pdf file)