Costa de Freitas, E.V. et al. 2016. Evaluation of the use of gas chromatography to monoaromatic hydrocarbon detection in groundwater in the northern city of Fortaleza (CE). Águas Subterrâneas. 30, 2 (Aug. 2016), 289–305. DOI:https://doi.org/10.14295/ras.v30i2.28609.