TY  - RPRT
TI  - Biological nitrogen removal using a vertically moving biofilm system.
AU  - Michael Rodgers
AU  - Xin-Min Zhan
PY  - 2004
DO  - 10.1016/j.biortech.2003.09.017
UR  - https://pubmed.ncbi.nlm.nih.gov/15062828/
ID  - 15062828
ER  -