1. Production Optimization Using Nodal Analysis;Beggs,1991
2. Cox, S. A. et al. (2003) Reserve Analysis for Multilayered Tight Gas Reservoirs. Article presented at SPE Eastern Regional/AAPG Eastern Section Joint Meeting, Pittsburgh, Pennsylvania, USA.
3. Erbach, G (2014). Unconventional gas and oil in North America – The Impact of shale gas and tight oil on the US and Canadian economies and on global energy flows. European Parliamentary Research Service, Article available at: http://www.europarl.europa.eu/RegData/bibliotheque/briefing/2014/140815/LDM_BRI(2014)140815_REV1_EN.pdf , Access on: 15 March 2018.
4. Guo, B. et al. (2006) A Rigorous Composite-IPR Model for Multilateral Wells. SPE Annual Technical Conference & Exhibition, San Antonio, Texas, USA.
5. Petroleum Production Engineering – A Computer-Assisted Approach.;Guo,2007