@article {Zlatarski1967a,
	title = {Note sur le genre Clausastrea d{\textquoteright}Orbigny},
	journal = {Bulletin of the Geological Institute, Series Paleontology, Bulgarian Academy of Sciences},
	volume = {16},
	year = {1967},
	pages = {23{\textendash}33},
	keywords = {RCBS, TIP},
	author = {Zlatarski, Vassil N}
}
@article {Zlatarski1968a,
	title = {Diplocteniopsidae, une nouvelle famille de Madreporaria de l{\textquoteright}Aptien de la Bulgarie du Nord [Diplocteniopsidae, a new madreporian family from the Aptien of northern Bulgaria]},
	journal = {Bulletin of the Geological Institute, Series Paleontology, Bulgarian Academy of Sciences},
	volume = {17},
	year = {1968},
	pages = {49{\textendash}107},
	keywords = {RCBS, TIP},
	author = {Zlatarski, Vassil N}
}
