?url_ver=Z39.88-2004&rft_id=https%3A%2F%2Fdoi.org%2F10.3920%2F978-90-8686-761-5&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Hostiou&rft.aufirst=Nathalie&rft.au=Hostiou%2C+Nathalie&rft.title=Work+efficiency+and+work+flexibility+in+organic+sheep+farms+differentiated+by+reproduction+rhythm&rft.isbn=978-90-8686-206-1+978-90-8686-761-5&rft.date=27+August+2012&rft.genre=proceeding