@article {Duncan1873,
	title = {On the Older Tertiary formations of the West-Indian Islands},
	journal = {Quarterly Journal of the Geological Society of London},
	volume = {29},
	year = {1873},
	pages = {548{\textendash}565, pl. 19{\textendash}22},
	keywords = {RCBS, TIP},
	url = {http://dx.doi.org/10.1144/GSL.JGS.1873.029.01-02.49},
	author = {Duncan, P Martin}
}
