http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Waves measured at Galloper Light Vessel, southern North Sea
data for March 1971 to February 1972 at position 51⁰43.9ʹN, 01⁰57.8ʹE
Institute of Oceanographic Sciences (Great Britain)
9 pages, 13 unnumbered pages : illustrations ; 30 cm.