@book{27720,
	author = {Looström, Ragnar.},
	title = {Lönnfallet, southernmost part of the export field at Grängesberg,},
	publisher = {Kungl. Boktryckeriet, P.A. Norstedt & Söner,},
	year = {1939.},
	series = {[Sweden] Sveriges geologiska undersökning. Ser. c. Avhandlingar och uppsatser.},
	address = {Stockholm,}
}