1. Ponnamperuma C. preliminary report was presented at the Pacific Slope Biochemical Conference San Francisco 27 and 28 August (1964).
2. Westinghouse type 782H-10.
3. FOX, S.W., ABIOTIC PRODUCTION OF PRIMITIVE PROTEIN AND FORMED MICROPARTICLES, ANNALS OF THE NEW YORK ACADEMY OF SCIENCES 108: 487 (1963).
4. The Origins of Prebiological Systems and of Their Molecular Matrices 1965
5. Amino acids, peptides, and spherules obtained from 'primitive earth' gases in a sparking system;The Origins of Prebiological Systems and of Their Molecular Matrices,1965