TY  - SER
AU  - Negreira,N.
TI  - Optimization of pressurized liquid extraction and purification conditions for gas chromatography-mass spectrometry determination of UV filters in sludge
N1  - YA2011 M03
ISSN  - 0021-9673
Sources  - Journal of Chromatography A
Sources  - 1218 (2) 2011 : 211-217
ER  -