Hodges, John E. and Steele, Henry B.. "An Investigation of the Problems of Cost Determination for the Discovery, Development, and Production of Liquid Hydrocarbons and Natural Gas Resources." Rice Institute Pamphlet - Rice University Studies, 46, no. 3 (1959) Rice University: http://hdl.handle.net/1911/62815.
Except where otherwise noted, this item's license is described as This material is in the public domain and may be freely used, with attribution given to Rice University. This work is licensed under a Creative Commons Attribution 3.0 Unported License.