1. Myerson Allen R. , “A Wildcatter on the Tame Side, Replacing Roughnecks with Computers,” New York Times (March 20, 1998)
2. Montana State University, Department of Land Resources and Environmental Sciences, “Frequently Asked Questions—Coal Bed Methane,” http://waterquality.montana.edu/docs/methane/cbmfaq.shtml#whatiscoalbedmethane
3. Homesteading Rock: A Defense of Free Access under the General Mining Law of 1872;Morriss;Environmental Law,2004
4. Coercion and Foreign Investment Rearrangements