TY  - BOOK
AU  - Black, K.L.
AU  - McGee, H.W., coaut.Hussain, S.F., coaut.
ED  - National Research Council.Transportation Research Board (E.-U.A.)
TI  - Implementation strategies for sign retroreflectivity standa-rds / K.L. Black, H.W. McGee and S.F. Hussain
CY  - Washington, D.C. : TRB
ER  -