000			00350nam a2200133Ia 4500
008			140215s9999 xx 000 0 und d
084			_aJ;1:4 _bPER;1950
100			_aPerrin , Porter G .
245			_aWriters Guide and Index to English / _b
260			_bS F and Co , _aNew York : _c1950
300			_a833p :
650			_aChemistry
942			_2cc _cBK
999			_c13005 _d13005