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Ludtke, P. R.
view article (1.0)Register of Hydrogen Technology Experts.National Bureau of Standards, Boulder CONational Aeronautics and Space Admin., Washington, DC, NASA CR-2624, October 1975, 85 p.Ludtke, P. R.
view article (1.0)Register of Specialized Sources for Information on Selected Fuels and Oxidizers. Contractor Report.National Bureau of Standards, Boulder, CONational Aeronautics and Space Admin., Washington, DC, NASA CR-134807, March 1975, 47 p.