http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
volumes : illustrations, diagrams ; 23-29 cm
Published: Editors and Engineers, <1947-1975>; Indianapolis, in: Howard W. Sams, <1986->
Volumes 1, 5-8 prepared by the editors of Radio (later Audio); volumes 2-4, by F. C. Jones.