TY - BOOK AU - Awuah,Esi TI - Pathogen removal mechanisms in macrophyte and algal waste stabilization ponds SN - 0415416957 PY - 2006/// CY - Leiden PB - Taylor & Francis / Balkema KW - Constructed wetlands KW - Sewage KW - Purification KW - Biological treatment KW - Pathogenic microorganisms N1 - Includes bibliographical references ER -