@booklet {5087,
	title = {COLONY, R.J. and SINCLAIR, J.H. 1928. The lavas of the volcano Sumaco, eastern Ecuador, South America. American Journal of Science, 16: 299-312.},
	year = {1928},
	note = {COLONY, R.J. and SINCLAIR, J.H. 1928. The lavas of the volcano Sumaco, eastern Ecuador, South America. American Journal of Science, 16: 299-312.}
}
