000			00310nam a2200121Ia 4500
008			140122s9999 xx 000 0 und d
082			_a543 Fried Ber
100			_aFried B
245			_aThin layer chromatogratography techniques and applications
260			_b _c1982
700			_aSherma J
942			_cBK _2ddc
999			_c4270 _d4270