TY  - SER
AU  - Zou,Jiankai
AU  - Li,Na
TI  - Simple and  environmental friendly procedure for the gas  chromatographic-mass spectrometric determination of caffeine in beverages
UR  - http://lib3.dss.go.th/fulltext/abstract/C7/C7_36.pdf
ISSN  - 0021-9673
Sources  - Journal of Chromatography A
Sources  - 1136 2006 : 106 - 110
ER  -