@book{28343,
	author = {Bretzen, Fritz,},
	title = {The Swedish Paleocene and its foraminiferal fauns.},
	publisher = {P.A. Norstedt,},
	year = {1948.},
	series = {Sveriges geologiska undersökningen. Ser. C, Avhandlingar och uppsatser, no. 493.  Arsbok 42 (1948) no 2)},
	address = {Stockholm,}
}