1. Concepts of Modern Catalysis and Kinetics;Chorkendorff,2007
2. U.S. Geological Survey. Mineral Commodity Summaries, 2016. minerals.usgs.gov/minerals/pubs/commodity/nitrogen/mcs-2016-nitro.pdf (accessed on 03/01/2017).
3. Alvarado, M. IHS Chemical Bulletin, http://www.methanol.org/the-methanol-industry (accessed on 03/01/2017).
4. OECD (2016). Crude Oil Production. http://dx.doi.org/10.1787/4747b431-en, Accessed on 11/12/2016.
5. Projection of world fossil fuels by country;Mohr;Fuel,2015