http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
V serii izdanīĭ Pedagogicheskago bi︠u︡ro po di︠e︡lam sredneĭ i nizsheĭ russkoĭ shkoly zagranit︠s︡eĭ ; no. 7