http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
impact of labor-management relations on productivity and efficiency in urban mass transit
James L. Perry, Harold L. Angle, and Mark E. Pittel.
Report - Research and Special Programs Administration ; no. DOT/RSPA/DPB/50-79-7
Research and Special Programs Administration.