Electronic reproduction. [Place of publication not identified] : HathiTrust Digital Library, 2010.
Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. http://purl.oclc.org/DLF/benchrepro0212
English and Russian, with summaries in Estonian, Russian, and English.
Description based on print version record.
Latest issue consulted: Vol. 46, no. 4 (2018) (Publisher’s Web site, viewed March 18, 2019).