1. Computer Experiments on the Evolution of Coadaptation in a Primitive Ecosystem;Conrad,1969
2. A mechanism for the evolution of the genetic code;Conrad;Curr. Mod. Biol.,1970
3. Information processing in molecular systems;Conrad;Curr. Mod. Biol.,1972
4. Evolution of the adaptive landscape;Conrad,1978
5. Bootstrapping on the adaptive landscape;Conrad;BioSystems,1979