6MORRISON P D,ROBERTS J H,VON HIPPEL E.Determinants of user innovation and innovation sharing in a local market[J].Management Science,2000,46(12):1513-1527.
7LTHJE C,HERSTATT C.The lead user method:an outline of empirical findings and issues for future research[J].R&D Management,2004,34(5):553-568.
8OGAWA S.Does sticky information affect the locus of innovation?Evidence from the Japanese conveniencestore industry[J].Research Policy,1998,26(7/8):777-790.
9SNCHEZ-GONZLEZ G,GONZLEZ-LVAREZ N,MARIANO N.Sticky information and heterogeneous needs as determining factors of R&D cooperation with customers[J].Research Policy,2009,38(10):1590-1603.
10SHAH S K.Sources and patterns of innovation in a consumer product field:innovation in sporting equipment(Working Paper 4105)[R].Cambridge,MA:Sloan School of Management,MIT,2000.