http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Synoptic analyses, 5-,2-, and 0.4- millibar surfaces for January 1972 through June 1973
a joint NASA-NOAA publication prepared for NASA Wallops Flight Center
National Meteorological Center, Camp Springs, Md.
by the Staff, Upper Air Branch, National Weather Service, Camp Springs, Maryland.
Prepared under Wallops Flight Center purchase order number P-55946(G).