Mutational trends and random processes in the evolution of informational macromolecules.

@article{Zuckerkandl1971MutationalTA,
  title={Mutational trends and random processes in the evolution of informational macromolecules.},
  author={E Zuckerkandl and Jean Derancourt and Horst Vogel},
  journal={Journal of molecular biology},
  year={1971},
  volume={59 3},
  pages={473-90}
}