http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Principles of the Fluid Dynamic Design of Columns for Gas/Liquid and Liquid/Liquid Systems
Industrial Chemistry/Chemical Engineering
Atmospheric Protection/Air Quality Control/Air Pollution
Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution