1. Gas chromatographic and gas chromatographic-mass spectrometric characterization of biogenic and petrogenic organic matter in the atmosphere;Abas;Malaysian Journal of Analytical Science,1997
2. Composition of higher molecular weight organic matter in smoke aerosol from biomass in Amazonia;Abas;Chemosphere,1995
3. ABNT, Associação Brasileira de Normas Técnicas, 1995. Material particulado em suspensão na atmosfera—Determinação da concentração de partı́culas inaláveis pelo método do amostrador de grande volume acoplado a um separador inercial de partı́culas. NBR 13412.
4. Indoor and Outdoor air pollution in Tokyo and Beijing supercities;Ando;Atmospheric Environment,1996
5. ASTM—American Society for Testing and Materials D-2234, 1989. Annual book of ASTM standards, pp. 241–252.