1. China Export & Credit Insurance Corporation (CECIC), 2013. Available at: http://www.sinosure.com.cn/sinosure/xwzx/rdzt/ckyj/ckdt/xyzt/qcxy/dzspyj/157067.html.
2. China Export & Credit Insurance Corporation (CECIC), 2013. Available at: http://www.sinosure.com.cn/sinosure/xwzx/rdzt/ckyj/ckdt/xyzt/qcxy/dzspyj/159702.html.
3. Exergetic analysis of the refrigeration system in ethylene and propylene production process;Fabrega;Energy,2010
4. Improved processes of light hydrocarbon separation from LNG with its cryogenic energy utilized;Gao;Energy Convers. Manage.,2011
5. Global ethylene surplus to last through 2011;Holmquist;Oil Gas J.,2010