Becthnk :    Leningrad University journal. 

 - [s.l] :    Leningrad University,    1979- 
 - v. :    ill. ;    26 cm. 
 - Annual 
 - Vol. 9 (1979)- 
<br/><br/>  Latest issue consulted: Vol. 9 (1979). 
<br/><br/><label>ISSN: </label>0132-4624 
<br/><br/><label>Dewey Class. No.: </label>574.071147