http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v. 2. Numerical control today / edited by Donald N. Smith and David M. Peelle -- v. 4.Numerical control for tomorrow/ edited by Donald N Smith and David M. Peelle -- v. 5: Computer technology for today's manager/ edited by Haldon L. Smith and David M. Peelle.