Food and Agricultural Organization Of the United Nations <br/><br/>
Echo Sounding and Sonar for Fishing 

 - England,  FAO,  1980, 
 - xi,104p.  21cm. 
<br/><br/><label>ISBN: </label>0852381107 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Echo Sounding<br/>Sonar in Fishing
<br/><br/><label>Dewey Class. No.: </label>639.2.081  / ECH