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040 _cIIT Kanpur
041 _aeng
100 _aRhodes, Marvin D.
245 _aCalorimetric evaluation of two cone column solar energy concentrators [NASA TN D-5109]
_cMarvin D. Rhodes and Conard M. Willis
260 _aWashington, D. C.
_bNational Aeronautics and Space Administration
_c1969
300 _a24p
440 _aNational Aeronautics and Space Administration
440 _aNASA Technical Note
500 _aBound vol. contains D 5100-5110
650 _aSolar energy
700 _aWillis, Conard M.
942 _cTR
999 _c566059
_d566059