Galway, H. <br/><br/>
Echo sounding at sea 

 - London:  Sir Isaac Pitman & Sons Ltd,  1951. 
 - ix,299p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sounding and soundings
<br/><br/><label>Dewey Class. No.: </label>623.86  / G183