@article {DeGregorio1890,
	title = {Monographie de la faune {\'e}oc{\'e}nique de l{\textquoteright}Alabama et surtout de celle de Claiborne de l{\textquoteright}{\'e}tage parisien},
	journal = {Annales de G{\'e}ologie et de Pal{\'e}ontologie},
	volume = {7-8},
	year = {1890},
	pages = {1{\textendash}316, pl. 1{\textendash}46},
	keywords = {RCBS, TIP},
	url = {http://gallica.bnf.fr/ark:/12148/bpt6k131434z},
	author = {de Gregorio, A}
}
@article {DeGregorio1894,
	title = {Monographie des fossiles {\'E}ocenique ({\'E}tage Parisien) de Monte Postale},
	journal = {Annales de G{\'e}ologie et de Pal{\'e}ontologie},
	volume = {14},
	year = {1894},
	pages = {1{\textendash}55},
	url = {http://archive.org/details/annalesdegologie14degr},
	author = {de Gregorio, A}
}
