000			00347nam a2200157Ia 4500
003			0STCL
008			150530s9999 xx 000 0 und d
040			_aSTCL _cSTCL
100			_aLal, B.B.
245			_aProductivity and economic growth
260			_c1965
546			_aEnglish
942			_2ddc _cBK
999			_c12995 _d12995
005			20220125165634.0