http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Symposium on direct shear testing of soils
presented at the fifty-fifth annual meeting (fiftieth anniversary meeting) American Society for Testing Materials, New York City, N.Y., June 26, 1952.
"Sponsored by Committee D-18 on Soils for Engineering Purposes."