@book {wurm_private_2010, title = {Private Wurm}, year = {2010}, note = {AK 2010/70 }, publisher = {Sammlung Essl}, organization = {Sammlung Essl}, address = {Klosterneuburg/Wien}, isbn = {978-3902001573}, author = {Wurm, Erwin and Oberhollenzer, G{\"u}ther} }