00334nam a2200085Ia 4500008004100000245006500041245003800106260000900144856009500153160523s9999    xx            000 0 und d  aEntrepreneurship - Creativity and Innovative Business Models  cEdited by Thierry Burger-Helmchen  c2012  uhttp://www.intechopen.com/books/entrepreneurship-creativity-and-innovative-business-models