@booklet {4994,
	title = {DOIG, R. and BARTON, J.M. 1968. Ages of carbonatites and other alkaline rocks in Quebec. Canadian Journal of Earth Sciences, 5: 1401-7.},
	year = {1968},
	note = {DOIG, R. and BARTON, J.M. 1968. Ages of carbonatites and other alkaline rocks in Quebec. Canadian Journal of Earth Sciences, 5: 1401-7.}
}
