Authors: Assis, LM Pinto, JSS Lancas, FM

Citation: Lm. Assis et al., Comparison among different extraction methods (PFE, SFE, sonication, Soxhlet) for the isolation of organic compounds from coal, J MICROCOL, 12(5), 2000, pp. 292-301

Authors: Assis, LM Lancas, FM

Citation: Lm. Assis et Fm. Lancas, High-resolution gas chromatography and high-resolution gas chromatography/mass spectrometry study of the volatile fraction obtained from high-inertinite Brazilian coal by supercritical fluid extraction, J MICROCOL, 11(7), 1999, pp. 501-512