{"id":"000026954","type":"book","title":"A late glacial pollen diagram from southern Michigan, U.S.A.- Koebenhavn","container-title":"Danmarks geologiske undersögelse ; 2. raekke. 1954, no. 80, S. 140-155 : 3 Kt.; 2 Tab","author":[{"family":"Andersen","given":"Svend Th."}],"issued":{"raw":"1954"}}