{"id":"000030225","type":"book","title":"Plant macrofossils from Kirchner Marsh, Minnesota : a paleoecological study. - Boulder, CO","container-title":"Bulletin of the Geological Society of America ; 77.1966, S. 1339-1357 : 3 Ill. 2 Tab","author":[{"family":"Watts","given":"William A."}],"issued":{"raw":"1966"}}