Finding fish with echo-sounders / 
text by J. Barczynski and M. Ben-Yami; illustrated by S. Maugeri 
 - Rome :  FAO,  1985 
 - vii, 97 p. :  ill., plates ;  24 cm. 
 - FAO training series ;  7 .
<br/><br/><label>ISBN: </label> 9251013276 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Echo sounders fishing<br/>Fishes--Detection
<br/><br/><label>Dewey Class. No.: </label>630.7