http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Activated sludge models ASM1, ASM2, ASM2d and ASM3
Task Group on Mathematical Modelling for Design and Operation of Biological Wastewater Treatment.
edited by Mogens Henze [and others] ; IWA Task Group on Mathematical Modelling for Design and Operation of Biological Wastewater Treatment.
Scientific and technical report (International Water Association) ; no. 9