http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
ASM-SLA metallurgical literature classification
Joint Committee of the American Society for Metals and the Special Libraries Association
prepared by a Joint Committee of the American Society for Metals and the Special Libraries Association.
A sample punched card, 5x8 in., showing the coding symbols used in the classification, is inserted.