Previous Article Next Article Table of Contents Process Biochemistry, Vol.42, No.2, 294-294, 2007 DOI10.1016/j.procbio.2006.10.010 Export Citation Autotrophic nitrogen removal from sludge digester liquids in upflow sludge bed reactor with external aeration (vol 41, pg 1945, 2006) Ahn YH, Choi HC Please enable JavaScript to view the comments powered by Disqus.