@article{RoetzelKokott2008, author = {Peter R{\"o}tzel and Peter Kokott}, title = {Controlling des Ideenmanagements: Ex Ante Determinierung oder Ex Post Intervention?}, journal = {Zeitschrift f{\"u}r Ideenmanagement}, volume = {34}, number = {2}, pages = {35 -- 40}, year = {2008}, }