Bulgarian geophysical journal. 
Issues for 1999- also have title:  BGJ 

 - Sofia :  Bulgarian Academy of Sciences,  c1998-. 
 - v. :  ill., maps ;  24 cm. 
 - Annual,  1999- 
 - Quarterly,  1998. 
 - Vol. 24, no. 1/2 (1998)- 
<br/><br/> Title from cover.  Latest issue consulted: Vol. 26, no. 1/4 (2000). 
<br/><br/><br/>In English; summaries and table of contents also in Bulgarian. 
<br/><br/><label>ISSN: </label>1311-753X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geophysics--Periodicals.
<br/><br/><label>LC Class. No.: </label>QC801  / .B94