Prakash, O and Dodsworth, JA and Dong, X and Ferry , JF and L'Haridon, S and Imachi , H and Kamagata, Y and Rhee, SK and Sagar , I and Shcherbakova, V and Wagner, D and Whitman, WB Proposed minimalstandards for description of methanogenic archaea. Journal of Systematic and Evolutionary Microbiology , 73 (4).