TY  - JOUR 
T1  - Determination of Polycyclic Aromatic Hydrocarbons in Groundwater Samples by Gas Chromatography-Mass Spectrometry After Pre-Concentration Using Cloud‑Point Extraction with Surfactant Derivatization
JO  - Journal of the Brazilian Chemical Society
A1  - Soares, Sarah A. R.
A1  - Costa, Cibele R.
A1  - Araujo, Rennan G. O.
A1  - Zucchi, Maria R.
A1  - Celino, Joil J.
A1  - Teixeira, Leonardo S. G.
SN  - 0103-5053
UL  - 10.5935/0103-5053.20150057
VL  - 26 
Y1  - 2015
PB  - Brasil 
ER  -