Heck, N H <br/><br/>
CORRECT VELOCITIES FOR ECHO SOUNDING IN THE PACIFIC OCEAN.  [electronic resource] 

 -  Science (New York, N.Y.)  Dec 1926 
 - 627-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.64.1669.627  doi