000			00333nam a2200145Ia 4500
008			231217s9999 xx 000 0 und d
041			_aEnglish
082			_a544.92 _bNAI
100			_aNaser-ud-din
245		0	_aintroduction to chonatography
260			_apeshawar _c1992
300			_a97
650			_aChromatography
942			_cBK
999			_c1245 _d1245