Transportation Research Board National Academy of Sciences <br/><br/>
Transportation Research Record  
Transportation Research Board National Academy of Sciences 
 - Vol-02 
 - Washington D.C  1978 
 - P-259  Illus 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>624.2  / NAT