Directory  
/ Polish Academy of Sciences  
 - Ossolineum:   Polish Academy of Sciences,   1970 
 - 156p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sciences 
<br/><br/><label>Subjects--Index Terms: </label>Chemical  
<br/><br/><label>Universal Decimal Class. No.: </label>R 061.6(438)(058.7)  / L0