?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Adler%2C+Steffen+A.&rft.aulast=Adler&rft.aufirst=Steffen+A.&rft.date=May+2003&rft.title=Research+Design+and+Communication+in+Production+System+Experiments+-+A+Multiple-Case+Study+in+the+Nordic+Countries&rft.inst=Agricultural+University+of+Norway