SERGEEV, B.F <br/><br/>
World of the Amphibians 

 - Moscow  MIR Publishers  1986 
 - 188p. 
 - Scientists to school Children .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amphibians.
<br/><br/><label>Dewey Class. No.: </label>597.6  / SER-W