000			00347nam a2200133Ia 4500
008			140215s9999 xx 000 0 und d
084			_aG:B28. _bINT;1949
100			_aInt Labour Office, Geneva .
245			_aIndustry and Labour / _b
260			_bInt Labour Office , _aGeveva : _c1949
300			_a211p :
650			_aChemistry
942			_2cc _cBK
999			_c5952 _d5952