Becker-Heins, Ralph. <br/><br/>
ECDIS basics:  a guide to the operational use of electronic chart display and information systems / 
Ralph Becker-Heins. 
 - The Netherlands:  Geomares Publishing,  c2014. 
 - 248 pages :  ill., col. ;  23 cm. 
<br/><br/><label>ISBN: </label>9789080620599 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic chart display--operational use.
<br/><br/><label>LC Class. No.: </label>CIR VK 560  / B43 2014