8

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DP. F,H*C+ Crick,
c/o Praf'essos P. Doty,
Department of Chemistry,
Harvard University
Cambridge, MASS*, 8.8dL

13th February, 1959,

Dear Francis ,

trunsatd ico aahedron awlP rhomb- antab

iwmadsdeoahearon dodaaahedmm

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