http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Agriculture, manufacturing and minerals, energy, transport, telecommunications, and construction, housing, health, and education and training
VII, 435 s., [1] k. mapa złoż. : il. ; 28 cm.
Tyt. grzbietowy vol. 2 : Reports on the principal sectors.