1. “What will happen next with the grain market?,” Agroinvestor (2019). https://www.agroinvestor.ru/opinion/article/31152-chto-budet-dalshe/.
2. “Russia introduced unofficial restrictions on grain exports,” Vedomosti (2019). https://www.vedomosti.ru/ business/articles/2019/02/26/795207-ogranicheniya-na-eksport-zerna.
3. “Exporters warned of duties on wheat,” Agroinvestor (2018). https://www.agroinvestor.ru/markets/news/30316- eksporterov-predupredili-o-poshlinakh-na-pshenitsu/.
4. EMISS Official Statistics Database. https://fedstat.ru/.
5. I. S. Pavenskii, “Prospects for export rail transportation in the new season of 2017/18,” in XVIII International Grain Round (2017). http://www.rusagrotrans.ru/upload/medialibrary/25c/25c1b2b28dbf39696f1940c7e0c269a6.pdf.