The Nautical Institute <br/><br/>
The Work of the Harbourmaster : a practical guide 

 - 2nd ed. 
 - London  The Nautical Institute  1998 
 - 401p. 
<br/><br/><label>ISBN: </label>1870077024, 9781870077026 
<br/><br/><label>Dewey Class. No.: </label>355.4  / TNI