http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Approved methods for the physical and chemical examination of water
recommendations of a joint committee of representatives of the Institution of Water Engineers, the Royal Institute of Chemistry, and the Society of Public Analysts and Other Analytical Chemists
Society of Public Analysts and Other Analytical Chemists (Great Britain)
"First published in the October, 1949, issue of the Journal of the Institution of Water Engineers."