CERVERO, Susana Garcia. Skill differentials in the long and in the short run : a 4-digit SIC level U.S. manufacturing study. San Domenico (FI) : European University Institute, 1996. 35 s. EUI Working paper ECO, No. 96/37. [Počet ex. : 1, z toho voľných 1, prezenčne 0]