Journal article (2005) - MC Schmid (author), BA Maas (author), M Wagner (author), JS Sinninghe Damste (author), M Kuypers (author), NP Revsbech (author), R Méndez (author), M.S.M. Jetten (author), M Strous (author), A Dapena (author), K van de Pas-Schoonen (author), J van de Vossenberg (author), B Kartal (author), LAMP van Niftrik (author), I Schmidt (author), IEY Cirpus (author), J.G. Kuenen (author)