@book{SteinhausenKobelt2006, author = {Steinhausen, Detlef and Kobelt, Helmut}, title = {Wirtschaftsstatistik f{\"u}r Studium und Praxis}, edition = {7., aktualisierte Au}, publisher = {Sch{\"a}ffer-Poeschel}, address = {Stuttgart}, isbn = {3-7910-2497-3}, pages = {XI, 389 S. : graph. Darst.}, year = {2006}, language = {de} } @article{Steinhausen2006, author = {Steinhausen, Detlef}, title = {Marketing als strategischer Erfolgsfaktor}, series = {Hospital}, journal = {Hospital}, year = {2006}, language = {de} }