Sergeev B F <br/><br/>
World of the amphibians 

 - Moscow  MIR publishers        1986 
 - 188p. 
<br/><br/><label>ISBN: </label>00 (pbk) SL00859491 
<br/><br/><label>Standard No.: </label>182865 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> World of the amphibians<br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>K93, M6