@article{article750411be,
title   = {Application of molecular techniques to evaluate the methanogenic archaea and anaerobic bacteria in the presence of oxygen with different COD: sulfate ratios in a UASB reactor},
author = {Hirasawa, Julia Sumiko and Sarti, Arnaldo and Saavedra del Aguila, Nora Katia and Varesche, Maria Bernadete Amancio},
year = {2008},
doi = {10.1016/j.anaerobe.2008.06.003},
journal   = {Anaerobe}
}