00471nam a22001697a 4500003000600000005001700006008004100023020001500064040001400079082001600093100002200109245006300131260002900194300003700223500001800260650002300278GCWUF20210408235247.0210408b        xxu||||| |||| 00| 0 eng d  a0471015644  bENGcMAIN  a543.85bGRO  a Grob, Robert L.   a Modern practice of gas chromatography/c Grob, Robert L.   aNew York:bWiley,c1977.  avi,654 p. :bill ;c26 cm.fP.B.  aInclude Index  2Gas chromatography