http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
238.386 -- KUHLMANN, John H[enry] [Helwig]: -- Design of electrical apparatus. 2. ed. (4. pr.) -- New York: Wiley; London: Chapman & Hall -- (1947). XIV, 506 S. 8° -- 1950:452.