000 00337nam a2200133Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
100 _aMicheal Ledrer
245 0 _aJournal of Chromatography
260 _c1980
_bElseiver Scientific Publications
_aAmsterdam
300 _aP.1-472
300 _bV.187
942 _cJRBV
999 _c23692
_d23692