@booklet {5077,
	title = {ROBIN, C. and TOURNON, J. 1978. Spatial relations of andesitic and alkaline provinces in Mexico and Central America. Canadian Journal of Earth Sciences, 15: 1633-41.},
	year = {1978},
	note = {ROBIN, C. and TOURNON, J. 1978. Spatial relations of andesitic and alkaline provinces in Mexico and Central America. Canadian Journal of Earth Sciences, 15: 1633-41.}
}
