http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geometric Retrieval for Grid Points in the RAM model
Makris Ch., Kitsios N. Sioutas S., Tsakalidis A., Tsaknakis G., Tsichlas K., Vassiliadis B.