@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 {Parona1931,
	title = {Paleontologia della Somalia (2). Fossili del Giuralias (3). "Somalica Aenigmatica": fossilis incertae saedis},
	journal = {Palaeontographia Italica},
	volume = {32},
	number = {S2},
	year = {1931},
	pages = {77{\textendash}80},
	keywords = {RCBS, TIP},
	author = {Parona, C F and Zuffardi-Comerci, R}
}
