Published Economic Evaluation of Small Capacity Sewage Processing Units by Gratziou M.K., Tsalkatidou M., Kotsovinos N.E. paper_9_GRATZIOU_387.pdf
Published Nitrogen removal efficiency of an A2/O bio-reactor treating domestic sewage mixed with landfill leachate and fecal sewage by Yu J., Zhou S. 181-189_620_Yu_12-2.pdf