1. BP (2014) Statistical review of World energy. Available at BP website http://www.bp.com/content/dam/bp/pdf/Energy-economics/statistical-review-2014/BP-statistical-review-of-world-energy-2014-full-report.pdf. Accessed 28 Apr 2015
2. Grigoriev LM, Makarov AA, Mitrova TM (eds) (2012) Global and Russian energy outlook to 2040. ERIRAS/ACRF, Moscow
3. Grigoriev LM, Makarov AA, Mitrova TM (eds) (2013) Global and Russian energy outlook to 2040. ERIRAS/ACRF, Moscow
4. Grigoriev LM, Makarov AA, Mitrova TM (eds) (2014) Global and Russian energy outlook to 2040. ERIRAS/ACRF, Moscow
5. Henderson J (2014) Sources of Russian gas supply. In: Henderson J, Pirani S (eds) The Russian gas matrix: how markets are driving change. Oxford Institute for Energy Studies, Oxford, pp 252–257