00883nam0 2200229 450 00002348820090224122929.020090224d1966----km-y0itay50------baengUSGBa-------001yy<<The >>measurement and interpretation of job vacanciesa conference report of the National bureau of economic research[intr. di R. Ferber]New YorkLondonColumbia university press1966X, 593 p.ill.23 cm<<The >>measurement and interpretation of job vacancies59610Ferber,Robert070National bureau of economic research<Stati Uniti d'America>ITUNIPARTHENOPE20090224RICAUNIMARC000023488820/101669NAVA2Measurement and interpretation of job vacancies59610UNIPARTHENOPE