@book{Gyimesi:613,
      author        = "K. Gyimesi and M. Hawle and S. Markut and T. Markut and G.
                       Rainer",
      title         = "{Energie, was ist das? Unterrichtsmaterialien Energie und
                       Klima II für LehrerInnen der 7.-12. Schulstufe (Energy,
                       what's that? Teaching materials on energy and climate II
                       for teachers of grade 7-12)}",
      publisher     = "Klimabündnis Österreich",
      year          = "2009",
}