@article {Cottreau1931a,
	title = {Types du prodrome de pal{\'e}ontologie stratigraphique universelle},
	journal = {Annales de Pal{\'e}ontologie (Invert{\'e}br{\'e}s)},
	volume = {20},
	number = {3/4},
	year = {1931},
	pages = {173{\textendash}192, pl. 62{\textendash}65},
	keywords = {BL, TIP},
	author = {Cottreau, J}
}
