On the constancy of the evolutionary rate of cistrons Tomoko OhtaMotoo Kimura OriginalPaper Pages: 18 - 25
The structure of cytochromec and the rates of molecular evolution Richard E. Dickerson OriginalPaper Pages: 26 - 45
Experimental investigation on the origin of the genetic code Carl SaxingerCyril Ponnamperuma OriginalPaper Pages: 63 - 73
Hominoid evolution as judged by fibrinopeptide structures R. F. DoolittleG. L. WoodingM. Riley OriginalPaper Pages: 74 - 83
Condensation of mononucleotides by imidazole J. D. IbanezA. P. KimballJ. Oró Letter to the Editor Pages: 112 - 114