Testing, evaluation, and upgrading of safety appurtenances / 
Transportation Research Board, National Research Council. 
 - Washington, D.C. :  National Academy of Sciences,  1982. 
 - iv, 53 p. :  ill. ;  29 cm. 
<br/><br/> Reports prepared for the 61st annual meeting of the Transportation Research Board. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE<br/>Roads--Safety measures.
<br/><br/><label>Dewey Class. No.: </label>625.795  / NAT