CHEMICALLY INDUCED DYNAMIC NUCLEAR SPIN POLARIZATION DERIVED FROM BIRADICALS GENERATED BY PHOTOCHEMICAL CLEAVAGE OF CYCLIC KETONES, AND THE OBSERVATION OF A SOLVENT EFFECT ON SIGNAL INTENSITIESCLOSS GL; DOUBLEDAY CE.1972; J. AMER. CHEM. SOC.; U.S.A.; DA. 1972; VOL. 94; NO 26; PP. 9248-9249; BIBL. 10 REF.Serial Issue

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