TY  - BOOK
AU  - Sparkman O.David
AU  -  Penton Zelda E.   Kitson Fulton G.
TI  - Gas Chromatography and Mass Spectrometry : A Practical Guide. Ed. 2nd
SN  - 0-12-373628-4
U1  - 544.4 
PY  - 2011///
CY  - New York
PB  - Elsevier
ER  -