Sergeev B F <br/><br/>
The living sonars of the ocean/ 
by Sergeev B F 
 - Moscow:  Mir Publishers,  1985. 
 - 215p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acousticians<br/>Whales<br/>Science
<br/><br/><label>Dewey Class. No.: </label>599.5  / SER/L