Bullinger, A. C. (2009). Innovation and Ontologies: Structuring the Early Stages of Innovation Management. Gabler. https://doi.org/10.1007/978-3-8349-9920-7

Bullinger, Angelika C. Innovation and Ontologies: Structuring the Early Stages of Innovation Management. Wiesbaden: Gabler, 2009. https://doi.org/10.1007/978-3-8349-9920-7.

Bullinger, Angelika C. Innovation and Ontologies: Structuring the Early Stages of Innovation Management. Gabler, 2009. https://doi.org/10.1007/978-3-8349-9920-7.