000 00299nam a2200121Ia 4500
008 160710s1951 xx 000 0 und d
082 _a331.1 L 52 E
100 _aLENER A.P
245 _aECONOMICS OF EMPLOYMENT
260 _bMC GRAW HILL BOOK COMPANY,INC.
_c1951
300 _a397
942 _2ddc
_cB
999 _c12276
_d12276