TY  - GEN
AU  - Gatling,Frank P.
ED  - US Federal Highway Administration, Office of Development, Office of Research and Development,
TI  - Further studies on auditorr messages
U1  - 384.53 23
PY  - 1977///
CY  - Washington, D.C.
PB  - US Federal Highway Administration, Office of Development, Office of Research and Development
KW  - Auditory perception
KW  - Radio
KW  - Voice communication
ER  -