OEHME, M. Focal Point: Analytical Chemistry: Organic Trace Analysis – Challenges – Unsolved Problems. CHIMIA, [S. l.], v. 57, n. 1-2, p. 8, 2003. DOI: 10.2533/000942903777679695. Disponível em: https://www.chimia.ch/chimia/article/view/2003_008. Acesso em: 28 mar. 2024.