000 00398nam a2200145Ia 4500
008 140205s9999 xx 000 0 und d
020 _a0127320520
082 _a544.92028/WAL
100 _aWalker, John Q
245 _aChromatographic system: maintenance and troble shooting
260 _bAcademic Press
_aNew York
_c1977
300 _a359
650 _aChromatographic analysis
942 _2ddc
_cBK
999 _c1996
_d1996