Derrett, D.R. <br/><br/>
The mariners' highway code 
D.R. Derrett 
 - London  Stanford Maritime limited  1977 
 - 190p.  23cm. 
<br/><br/><label>ISBN: </label>540072877 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Collisions at sea<br/>Prevention<br/>Signals and signaling<br/> Navigation<br/>Safety measures<br/>Great Britain, 
<br/><br/><label>LC Class. No.: </label>VK371.D43