http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Izdanii︠a︡ Mezhdunarodnogo t︠s︡entra nauchnoĭ i tekhnicheskoĭ informat︠s︡ii (1970-1990 gg.)
International Centre for Scientific and Technical Information