@book{29398,
	author = {Sorgenfrei, Theodor,},
	title = {Molluscan assemblages from the marine middle Miocene of South Jutland and their environments.},
	publisher = {I kommission hos C.A. Reitzel,},
	year = {1958.},
	address = {København,},
	note = {Only vol. 1 in nr. 79 of the series.}
}