{"id":"000030275","type":"book","title":"A comparison of modern and presettlement pollen from Southern Michigan (U.S.A.). - Amstrdam","container-title":"Review of palaeobotany and palynology ; 16.1973, S. 297-321 : 7 Ill. ; 2 Tab","author":[{"family":"Webb","given":"Thompson"}],"issued":{"raw":"1973"}}