Buchvarov, Stoyan <br/><br/>
Bulgaria's chemical industry / 
Stoyan Buchvarov 
 - Sofia :  Sofia Press,  1986 
 - 60 p., [16] p. of plates :  ill. ;  20 cm. 
<br/><br/> Title in colophon : Bulgarskata khimiia 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical industry--Bulgaria
<br/><br/><label>Dewey Class. No.: </label>338.476609499