Formation of the imidazolides of dinucleotides under potentially prebiotic conditions H. L. SleeperR. LohrmannL. E. Orgel OriginalPaper Pages: 87 - 93
Radiolysis, racemization and the origin of molecular asymmetry in the biosphere William A. BonnerRichard M. Lemmon OriginalPaper Pages: 95 - 99
The influence of various cations on the catalytic properties of clays Mella Paecht-Horowitz OriginalPaper Pages: 101 - 107
Codons and nearest-neighbor nucleotide pairs in mammalian messenger RNA Thomas H. Jukes OriginalPaper Pages: 121 - 127
Construction of phylogenetic trees for proteins and nucleic acids: Empirical evaluation of alternative matrix methods Ellen M. PragerAllan C. Wilson OriginalPaper Pages: 129 - 142
A method for detecting distant evolutionary relationships between protein or nucleic acid sequences in the presence of deletions or insertions T. C. Elleman OriginalPaper Pages: 143 - 161