196 - (Microbial community) Logan (2008 Kim (2007a) , , , Clostridial isolate - (Substrate) Min Angelidaki 0.428 0.003 470 Kim 2007b) Min (2005) , 261 200 88-92 146 - Rismani-Yazdi (2008) (Mesophilic) (20-40