AUTHOR=Zehr Jonathan P. TITLE=Microbes in Earth's aqueous environments JOURNAL=Frontiers in Microbiology VOLUME=1 YEAR=2010 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2010.00004 DOI=10.3389/fmicb.2010.00004 ISSN=1664-302X