Road design manual / 
PNG Department of Works. 
 - Port Moresby :  The Department,  1985. 
 - [113] p. :  ill. ;  29 cm. 
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<br/><br/><label>LCCN: </label>90011173 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads--Design and construction--Handbooks, manuals, etc.
<br/><br/><label>Dewey Class. No.: </label>625.725  / R628