@inbook {Prever1909,
	title = {Anthozoa},
	booktitle = {La Fauna Coralligena del Cretaceo dei Monti d{\textquoteright}Ocre nell{\textquoteright}Abruzzo Aquilano},
	number = {22},
	year = {1909},
	pages = {51{\textendash}147},
	publisher = {Springer},
	organization = {Springer},
	address = {Roma},
	keywords = {BL, RCBS, TIP},
	author = {Prever, P L},
	editor = {Parona, C F}
}
@article {Prever1922,
	title = {I coralli Oligocenici di Sassello nell{\textquoteright}Appenino Ligure. Continuazione parte I. Corallari a calici confluenti},
	journal = {Palaeontographia Italica},
	volume = {28},
	year = {1922},
	pages = {1{\textendash}40},
	url = {http://sdrv.ms/TcfkZx},
	author = {Prever, P L}
}
@article {Prever1921,
	title = {I coralli Oligocenici di Sassello nell{\textquoteright}Appenino Ligure. Parte I. Corallari a calici confluenti},
	journal = {Palaeontographia Italica},
	volume = {27},
	year = {1921},
	pages = {53{\textendash}100},
	keywords = {RCBS, TIP},
	url = {http://sdrv.ms/Tcfgc6},
	author = {Prever, P L}
}
