@book{162264,
	author = {Sverdlovsk, Russia.},
	title = {Practice of ore dressing of non-ferrous, rare and precious metals in the plants of the USSR =},
	publisher = {Published for the United States Dept. of Interior, Bureau of Mines and the National Science Foundation, Washington D.C., by Amerind Pub. Co.,},
	year = {1972.},
	address = {New Delhi :}
}