Rare earth metals are essential for methanotrophic life in volcanic mudpots
Environmental Microbiology (2014) - Comment
doi: 10.1111/1462-2920.12249  issn: 1462-2912  pubmed: 24034209  issn: 1462-2920 

Arjan Pol, Thomas R. M. Barends, Andreas Dietl, Ahmad F. Khadem, Jelle Eygensteyn, Mike S. M. Jetten, Huub J. M. Op Den Camp