Muh-Cherng Wu Ying-Fu Lo Shang Hwa Hsu A fuzzy CBR technique for generating product ideas. 530-540 2008 34 Expert Syst. Appl. 1 http://dx.doi.org/10.1016/j.eswa.2006.09.018 db/journals/eswa/eswa34.html#WuLH08