1. Ponnamperuma, C. and Chela-Flores, J. (Eds.). (1993). Chemical Evolution: Origin of Life. A. Deepak Publishing, Vol. 135: Hampton, Virginia, USA.
2. Chela-Flores, J., M. Chadha, A. Negron-Mendoza, and T. Oshima (Eds.). (1995). Chemical Evolution: Self-Organization of the Macromolecules of Life (A Cyril Ponnamperuma Festschrift.) A. Deepak Publishing, Vol. 139: Hampton, Virginia, USA.
3. Ponnamperuma, C. and Chela-Flores,
J. (Eds.). (1995). Chemical
Evolution: The Structure and Model of the First Cell. Kluwer
Academic Publishers: Dordrecht, The Netherlands.
4. Chela-Flores, J. and Raulin, F. (Eds.). (1996). Chemical
Evolution: Physics of the Origin and Evolution of Life (The
Cyril Ponnamperuma Memorial Conference). Kluwer Academic Publishers:
Dordrecht, The Netherlands.
5. Chela-Flores, J. and Raulin, F. (Eds.). (1998). Exobiology: Matter, Energy, and Information in the Origin and Evolution of Life in the Universe. Kluwer Academic Publishers:Dordrecht, The Netherlands.
6. Chela-Flores, J., Owen, T. and Raulin, F. (2001). The First Steps of Life in the Universe. Kluwer Academic Publishers: Dordrecht, The Netherlands. http://www.ictp.trieste.it/~chelaf/trieste2000.html