Previous Article Next Article Table of Contents Biotechnology Letters, Vol.21, No.12, 1145-1145, 1999 DOI10.1023/A:1017230800519 Export Citation Layered structure of UASB granules gives microbial populations resistance to toxic chemicals (vol 21, pg 159, 1999) Bae JW, Lee ST Please enable JavaScript to view the comments powered by Disqus.