000 00305nas a22001217a 4500
003 USJPLib
008 180220b xxu||||| |||| 00| 0 eng d
022 _a0021-9673
041 _aEng.
245 _aJournal of Chromatography, Vol.535-537
260 _aAmsterdam
_bEisevier
_c1990/91
942 _2ddc
_cBP
_s1
999 _c150018
_d150018