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Aporta, Claudio and Eric Higgs. “Satellite Culture: Global Positioning Systems, Inuit Wayfinding, and the Need for a New Account of Technology.” Current Anthropology 46 (Dec 2005): 729–753.

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Browne, Malcolm W. “Worldwide Satellite Network Promises Great Accuracy in Navigation.” New York Times, 8 Nov 1988.

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Casserly, G. W. and L. D. Filkins. “The Potential Use of Satellites in Hyperbolic Position Finding.” Navigation (US) 13 (Winter 1966–1667): 353–366.

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Chernof, Joseph. “Application of Satellite Navigation Techniques to Marine and Air Navigation.” Navigation (US) 16 (Summer 1969): 133–140.

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Enzensperger, James T. “The Views of Ship Operating Companies on Navigational Satellites.” Navigation (US) 13 (Spring 1966).

Epstein, Jonathan M. “Global Positioning System (GPS): Defining the Legal Issues of its Expanding Civil Use.” Journal of Air Law and Commerce 61 (1995).

———. “The Role of the Global Positioning System in the Environment.” N.Y.U. Environmental Law Journal 6 (1997).

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