@book{18977,
	author = {Dobri︠a︡nskiĭ, Aleksandr Flavianovich, and Andreev, Pavel Fedorovich.},
	title = {Transformation of petroleum in nature,},
	publisher = {Pergamon Press},
	year = {[1968]},
	series = {International series of monographs in earth sciences, v. 29},
	address = {Oxford,},
	edition = {[1st English ed.]},
	note = {Translation of Prevrashchenii︠a︡ nefti v prirode edited by A. F. Dobri︠a︡nskiĭ.}
}