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Holt, Mark. Nuclear Energy Policy. CRS Order Code IB88090. Washington, DC: Congressional Research Service, 15 March 2006.
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Hutchinson, Alex. "Is This the Key to Our Nuclear Future?: This Tennis Ball-Sized Fuel Pebble Could Pave the Way for a New Generation of Smaller, Smarter, Safer Reactors Needed to Solve a Looming Energy Crisis." Ottawa (Ontario) Citizen, sec. A, 12 February 2006.

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Schnepf, Randy. Agriculture-Based Renewable Energy Production. CRS Order Code RL32712. Washington, DC: Congressional Research Service, 28 February 2006.
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