@inbook{e49b6e80a1bf11ddb6ae000ea68e967b,
title = "Sheep grazing by contractors: a tool in the control of Giant Hogweek (Heracleum mantegazzianum) in Denmark",
author = "Rita Buttensch{\o}n and Charlotte Nielsen and Ravn, {Hans Peter}",
year = "2005",
language = "English",
pages = "43",
editor = "Thiele and Eckstein and Otte",
booktitle = "The ecology and management of the giant alien Heracleum mantegazzianum",
publisher = "Justus-Liebig-Univeristy",
note = "Final International Workshop of the {"}Giant Alian{"} Project ; Conference date: 21-02-2005 Through 23-02-2005",
}