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082 _a542 GRE-P
100 _aGrelecki, Chester J
245 _aPreparation and investigation of some free radicals which contain nitrogen
260 _bCatholic University of America, Washington, D. C.
260 _c1957
300 _a41
650 _aLaboratories, apparatus, equipment
942 _cBOOKS
999 _c4614
_d4614