@article{485890,
      recid = {485890},
      author = {Petschek, Peter. and Gass, Siegfried, and Burbulla,  Julia,},
      title = {Constructing shadows pergolas, pavilions, tents, cables,  and plants / [electronic resource] :},
      publisher = {Birkhauser,},
      address = {Basel :},
      pages = {247 p. :},
      year = {2011},
      url = {http://library.usi.edu/record/485890},
}