@techreport{OPUS4-5102,
  title     = {4th sustainable summer school : transition to sustainable development},
  editor    = {Pulkkinen, Katri-Liisa},
  institution = {Aalto Univ.},
  address   = {Aalto},
  isbn      = {978-952-60-0057-2},
  pages     = {110},
  year      = {2013},
  language  = {en}
}