?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Hofstra&rft.au=Hofstra%2C+E.P.&rft.aufirst=E.P.&rft.date=2012&rft.title=Sustainable+Heating%3A+Comparing+Dutch+and+German+Policies&rft.degree=Master