@phdthesis { , title = {Microbial perspectives of the methane cycle in permafrost ecosystems in the Eastern Siberian Arctic: implications for the global methane budget}, year = {2007}, note = {Alfred Wegener Institute for Polar and Marine Research Potsdam}, school = {University of Potsdam}, type = {Habilitation}, address = {Potsdam}, URL = {Persistent Identifier urn:nbn:de:kobv:517-opus-15434}, author = {Dirk Wagner} }