Alternative incandescent traffic signal lamps and systems for improved optical and energy efficiency. Final report.

Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, Washington, D.C.

Safety and mobility issues in licensing and education of older drivers.

National Highway Traffic Safety Administration, Washington, D.C.

Orientation and mobility for the visually handicapped : a guide for parents.

Cover title.

Persistence and mobility of selected pesticides in loessial soils of Illinois : final report /

"Contract: EH 10."

Soil, Clay, and caustic soda effects on solubility, sorption, and mobility of hexachlorocyclopentadiene /

Bibliography: p. 51-54.

Electrochemical analysis : studies of acids, bases, and salts by EMF conductance, optical and kinetic methods, July 1964 to June 1965 /

"Issued September 6, 1965."