@book{Kortmann+2015, url = {https://doi.org/10.3790/9783428508525}, title = {Eine neue Methode für systematische Markt-, Branchen- und Wettbewerbsanalysen}, title = {}, author = {Walter Kortmann}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428508525}, isbn = {9783428508525}, year = {2003}, lastchecked = {2015} }