00390nam a2200145 a 450000500170000010000220001724500420003926000280008130000130010969000190012296400160014199700180015799900170017595200520019220251203092243.0  aSchomburg,Gerhard  aGas Chromatography:A Practical Course  aNewyorkbWeinheimc1990  axix,320p  aChromatography  bcdefg_  a69345 LIBSC C  c69541d69541  00104070aPUbPUd2001-01-29l0o p69345yBK