Cost-effectiveness of mass media communications as related to highway safety.

National Highway Safety Bureau, Washington, D.C.

The effect of light absorbing media on driver visual performance. Final report.

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

The effect of biological slime on the retention of alkyl benzene sulfonate on granular media /

Includes bibliographical references (p. 69-71).

Propagations of waves in solid media.

"Work carried out for the Applied Physics Laboratory, Johns Hopkins University under Contract no. APL/JHU, P. O. no. 33031-2."