Shtokalo I Z <br/><br/>
Operational calculus. 
Shtokalo I Z 
 -  1976 
<br/><br/><label>Standard No.: </label>123554 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B48, L6