000 00259nam a2200097Ia 4500
100 _aLederer M
245 _aJournal of Chromatography Vol 98 No 1 March 27, 1974
260 _bElsvier Sic Pub Co, Amsterdam
082 _aE:3/N74/B08685
300 _app 270; 24*17
999 _c43905
_d43905