http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
experiment comparing the effectiveness of low cost instructional simulation against high cost equipment utilization in teaching numerical control principles
Microfilm. Ann Arbor, Mich. : University Microfilms, 1972. 1 microfilm reel, ill. ; 35 mm.