@book{26240,
	author = {Holtedahl, Olaf,},
	title = {Engerdalen;},
	publisher = {I kommission hos H. Aschehoug & co.,},
	year = {1921.},
	series = {Norges geologiske undersøkelse.},
	address = {Kristiania,},
	note = {English summary: p. 67-74.}
}