@book{16291,
	author = {Unger, Stanisław. and Zarzecki, Stanisław. and Union of mineral oil producers and refiners in Poland.},
	title = {The Polish oil industry;},
	publisher = {Union of mineral oil producers and refiners in Poland,},
	year = {1925.},
	address = {Warszawa,},
	note = {"Recent literature": p. [32]}
}