T͡Sirkuli͡ar.
APA Citation
Shemakha, R. Astrofizicheskai͡a Observatorii͡a. T͡Sirkuli͡ar. Baku: Ėlm.
MLA Citation
Shemakha, Russia. Astrofizicheskai͡a Observatorii͡a. T͡Sirkuli͡ar. Baku: Ėlm,
Warning: These citations may not always be complete (especially for serials).