References in fiction
References
* Ritchey, Tom (2002). General Morphological Analysis: A general method for non-quantified modeling. * Zwicky, F., Discovery, Invention, Research - Through the Morphological Approach, Toronto: The Macmillan Company (1969). * Zwicky, F. & Wilson A. (eds.), New Methods of Thought and Procedure: Contributions to the Symposium on Methodologies. Berlin: Springer (1967). Problem solving