Agricultural tractor safety on public roads and farms ; a report to the Congress from the Secretary of Transportation

United States, Department of Transportation.

Washington, D. C. : Departament of Agriculture, Secretary of Transportation, 1971.

xv, 171, A243, B161 págs. : ilustraciones 404 p ; 26 cm.

"Proceedings of the public meeting on agricultural tractor safety ... conducted by ... National Highway Safety Bureau": p. [B1]-B161.

Incluye referencias bibliográficas.