Burczynski, J. <br/><br/>
Introduction to the use of Sonar systems for estimating fish Biomass / 
by J. Burczynski. 
 - Rome :  Food and Agriculture Organization of the United Nations,  1979. 
 - xiii, 89 : 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9251008043 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Underwater acoustics.
<br/><br/><label>Dewey Class. No.: </label>639.3  / In