Harvald, Svend Aage <br/><br/>
Wake of merchant ships 
/ Svend Aage Harvald  
 - Copenhagen :  The Danish Technical Press  , 1950 
 - 220 p.   ; 26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transporte marítimo<br/>Barcos