@book{28284,
	author = {Lundegårdh, P. H.},
	title = {Den ultrabasiska gabbron i Roslagen.},
	publisher = {P.A. Norstedt,},
	year = {1947.},
	series = {Sweden. Geologiska undersökningen. Ser. C. Avhandlingar och uppsatser.},
	address = {Stockholm,},
	note = {Summary in English.}
}