http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
raw materials, technology, and economics of the wet process
Pierre Becker with contributions by Tobias Nogueira, Paul Anthony Smith, Jean Frochen ; selected illustrations by Nathalie Becker.
Fertilizer science and technology series ; v. 3