http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
ecology of Ruppia drepanensis Tineo in a Mediterranean brackish marsh (Doñana National Park, SW Spain)
a basis for the management of semiarid floodplain wetlands
xii, 242 pages : illustrations, maps ; 25 cm.
doctoral Landbouwuniversiteit te Wageningen 1995.