1. Geology and history of the coasts of Japan Sea;Ablaev,1978
2. Estimates of speeds of dinosaurs;Alexander;Nature,1976
3. Length of day in the climates of past geological eras and its possible effects upon changes in plant life;Allard,1948
4. Concerning ecological principles;Allee;Science,1939
5. The concept of ecospecies in Tertiary paleobotany;Axelrod,1941