BIOLOGICAL ORDER 



Fruton, J. S., and Simmonds, S. (1953). General Biochejnistry. John Wiley & 

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Levinthal, C. (1956). The mechanism of DNA repHcation and genetic recom- 

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McElroy, W. D., and Glass, B., eds. (1957). A Sy7t7posium on the Chemical 

 Basis of Heredity. The Johns Hopkins Press, Baltimore. 



Rich, A. (1959). Polynucleotide interactions and the nucleic acids. Brookhaven 

 Symposia in Biology, 12, 17-26. 



Wagner, R. P., and Mitchell, H. K. (1955). Genetics and Metabolism. John 

 Wiley & Sons, New York. 



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