00756nam0-2200277---450-99000956195040332120120424124958.0000956195FED01000956195(Aleph)000956195FED0100095619520120424d1959----km-y0itay50------baengUS--------001yyLabor and economic developmentWalter GalensonNew YorkJ. Wiley and sonsc1959XIII, 304 p.24 cm.GalensonWalter516233ITUNINARICAUNIMARCBK990009561950403321ISVE J01.25753DECTSDECTSLabor and economic development847096UNINA