6Joblin KN. Methanogenic archaea. In: Harinder PS, et al. Methods in Gut Microbial Ecology for Ruminants. The Netherlands: Kluwer Academic, 2005.
7Yu ZT, Forster RJ. Nucleic acid extraction, oligonucleotide probes and PCR methods. In: Harinder PS, et al. Methods in Gut Microbial Ecology for Ruminants. The Netherlands: Kluwer Academic, 2005.
8Tajima K, Nagamine T, Matsui H, et al. Phylogenetic analysis of archaeal 16S rRNA libraries from the lumen suggests the existence of a novel group of archaea not associated with known methanogens. FEMS Microbiology Letters, 2001, 200: 67-72.
9Tokura M, Chagall I, Ushida K, et al. Phylogenetic study of methanogens associated with rumen ciliates. Current Microbiology, 1999, 39: 123-128.
10Wright AD, Toovey AF, Pimm CL. Molecular identification of methanogenic archaea from sheep in Queensland, Australia reveal more uncultured novel archaea. Anaerobe, 2006, 12: 134-139.
