http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
their properties and application for the control of water weeds
State Rivers and Water Supply Commission
Melbourne?] : State Rivers and Water Supply Commission, 1957
Reprinted from Aqua v. 9, no. 1, Sept. 1957.
Technical bulletin (Victoria. State Rivers and Water Supply Commission) ; no. 9