http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
317.778 -- HEERDEN, Pieter J[acobus] van: -- The Foundation of mathematics. - Wassenaar: -- Wistik (1968). X,50 S. 8° -- 1968: 2995. -- En.-