000			00336nam a2200145Ia 4500
008			170101s1957 xx 000 0 und d
082			_a544.92 K16G
100			_aKEULEMANS, A.I.M.
245		0	_aGas chromatography
260			_bN.Y. _c1957
300			_a212p
650			_aCHROMATOGRAPHY
653			_aCHROMATOGRAPHY
942			_2ddc _cB
999			_c4010 _d4010