http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Standard test method for vickers hardness of metallic materials
This test method is under the jurisdiction of ASTM Committee E28 on Mechanical Testing and is the direct responsibility of Subcommittee E28.06 on Indentation Hardness Testing
Current edition approved Jan. 10, 2003, published April 2003. Originally approved in 1952. Last previous edition approved in 1997 as E 92-82