Kovalev, P.A.. <br/><br/>
Silkworm breeding Stocks /  

 - 1st.End. /  
 - Bombay :   Central Silk Board. 
 - 233p ;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology 
<br/><br/><label>Dewey Class. No.: </label>KZ711:6  / L0K