1. The origins and early evolution of life;Awramik,1982
2. Ancient stromatolites and microbial mats;Awramik,1984
3. Fossil bivalve shells indicate longer month and year in Cretaceous than present;Berry;Nature,1968
4. Tidal Friction and the Earth's Rotation,1978
5. Tidal Friction and the Earth's Rotation II,1982