@article{2008, title={Design Creativity and Association in Conceptual Combination: Role of the Number of Associated Concepts and Action Concepts}, author={Junya Morita and Yukari Nagai and Toshiharu Taura and Ryoji Okada}, journal={Cognitive Studies: Bulletin of the Japanese Cognitive Science Society}, volume={15}, number={4}, pages={599-614}, year={2008}, doi={10.11225/jcss.15.599} }