@book{27286,
	author = {Petrulian, Nicolae S.,},
	title = {Étude chalcographique du gisement aurifère de Roşia-Montanǎ},
	publisher = {M. O. Imprimerie nationale,},
	year = {1934.},
	address = {Bucarest,},
	note = {"Separatabdruck aus Anuarul instutului geologic al Romaniei, vol. XVI. 1931."}
}