http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Microbial sulfate reduction in extremely acid lakes
Project number G905-06; submitted to U.S. Geological Survey, U.S. Dept. of the Interior.
Technical report (Purdue University. Water Resources Research Center) ; no. 173