Thoenton, Peter <br/><br/>
The ECDIS manual [ ENC chart 1 symbol guide. ]/ Peter Thornton. 

 -  Edinburg : Witherby Publishing Group  2012 
 - ii, 82 p. :ill (some col. ) , maps ( some col. ) 30 cm 
<br/><br/><label>ISBN: </label>9781856095471 
<br/><br/><label>LC Class. No.: </label>VK587 . T319 2012 
<br/><br/><label>Dewey Class. No.: </label>VK587 . T319 2012 
<br/><br/><label>National Library of Medicine Call No.: </label>VK587 . T319 2012