1. Design protocol data and novel design decisions;Akin;Design Studies,1995
2. A Pattern Language: Towns, Buildings, Construction;Alexander,1977
3. Creativity as an Exact Science;Altshuller,1984
4. 40 Principles: TRIZ Keys to Technical Innovation;Altshuller,1997
5. 40 Principles: TRIZ Keys to Technical Innovation;Altshuller,2005