Finding fish with echo-sounders 
/by J. Burczynski and M. Ben-Yami 
 - Rome :  FAO,  1985. 
 - 97 p. :  ilus. 
 - Capacitación  ; 7 .
 - FAO .
 - Capacitación  ; 7 .
<br/><br/><label>ISBN: </label>9251013276 
<br/><br/><label>LCCN: </label>80191 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecosondeo.<br/>Pesca.
<br/><br/><label>Dewey Class. No.: </label>658.312404  / F3 v.7