000			00539nam a2200193Ia 4500
008			131223s9999 xx 000 0 und d
040			_aISI KOLKATA
041			_aEnglish
082			_a331.01 _bSo678
100			_aDucoff L I
110			_aSocial Science Research Council. New York
245			_aLabour force definition and measurement _brecent experience in the United States
260			_aNew York _c1947
300			_ax,134p.
500			_aBulletin 56
650			_aLabor economics
700			_aHagood M I _4Auth.
942			_cBK
999			_c29062 _d29062