{"id":"000029529","type":"book","title":"Ragweeds, Ambrosia species, in Canada and their history in potglacial time. - Ottawa, Ontario","container-title":"Canadian journal of botany ; 40.1962, S. 141-150 : zahlr. Ill. ; 4 Kt","author":[{"family":"Bassett","given":"I. J."}],"issued":{"raw":"1962"}}