Erdle, James C. (September 1984). Current Drillstem Testing Practices: Design, Conduct And Interpretation. SPE Annual Technical Conference and Exhibition, September 16–18, 1984, Houston, Texas. doi:10.2118/13182-MS.
Worthington, Paul F. (October 2010). "Net Pay — What Is It? What Does It Do? How Do We Quantify It? How Do We Use It?". SPE Reservoir Evaluation & Engineering. 13 (5): 812–822. doi:10.2118/123561-pa. ISSN1094-6470.
Serra, Oberto; Serra, Lorenzo (2004). Well logging : data acquisition and applications. Méry Corbon, France. ISBN978-1-62198-787-1. OCLC860900113.{{cite book}}: CS1 maint: location missing publisher (link)
Colin McPhee; Jules Reed; Izaskun Zubizarreta, eds. (2015). Core analysis : a best practice guide. Amsterdam, Netherlands. ISBN978-0-444-63657-7. OCLC932016705.{{cite book}}: CS1 maint: location missing publisher (link)
Worthington, Paul F. (October 2010). "Net Pay — What Is It? What Does It Do? How Do We Quantify It? How Do We Use It?". SPE Reservoir Evaluation & Engineering. 13 (5): 812–822. doi:10.2118/123561-pa. ISSN1094-6470.
Jaeger, J. C.; Cook, Neville G. W.; Zimmerman, Robert Wayne (2007). Fundamentals of rock mechanics (4th ed.). Malden, MA: Blackwell Pub. ISBN978-1-4443-0891-4. OCLC430954955.