00393pab a2200133 454500008004000000100002200040245008700062260000900149300001400158362000800172650002500180700001900205773003500224180718b2009 xxu||||| |||| 00| 0 eng d aBelussi, Fiorenza aAt the origin of the industrial district: Alfred Marshall and the Cambridge school c2009 ap.335-55. aMar aIndustrial economics aCaldari, Katia aCambridge Journal of Economics