Wallner, Rudolf2020-01-102020-01-1019209789949689880Est.A-3311http://hdl.handle.net/10062/66895fraopenAccessAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/Estonica koguseparaadidfarmaatsiaEssais de culture de l̀Hydrastis canadensis en Esthonie et en RussieBook