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     "Total Synthesis and Stereochemistry of dl-Elaeocarpidine"; Gribble, G.W. J. Org. Chem., 1970, 35, 1944.

     "Long-Range Protein-Fluorine Spin-Spin Coupling in Bridged Biphenyls.  Compelling Evidence for a 'Through-Space' ('Direct') Mechanism"; Gribble, G.W.; Douglas, J.R., Jr. J. Am. Chem. Soc., 1970, 92, 5764.