Dick, D. P., Mangrich, A. S., Menezes, S. C. d., & Pereira, B. F. (2002). Chemical and spectroscopical characterization of humic acids from two south brazilian coals of different ranks.
Chicago Style CitationDick, Deborah Pinheiro, Antonio Salvio Mangrich, Sonia C. de Menezes, and Betania F. Pereira. Chemical and Spectroscopical Characterization of Humic Acids From Two South Brazilian Coals of Different Ranks. 2002.
MLA CitationDick, Deborah Pinheiro, Antonio Salvio Mangrich, Sonia C. de Menezes, and Betania F. Pereira. Chemical and Spectroscopical Characterization of Humic Acids From Two South Brazilian Coals of Different Ranks. 2002.
Warning: These citations may not always be 100% accurate.