Список литературы

1. Axelrod D. I., Evolution of the psilophyte paleoflora, Evolution, 13, 264- 275 (1959).

2. Berkner L. V., Marshall L. C., On the origin and rise of oxygen concentration in the earth's atmosphere, J. Atmospheric Sci., 22, 225-261 (1965).

3. Chaloncr W. G., An outline of Pre-Cambrian and Pre-Devonian microfossil records: Evidence of early land plants from microfossils (abstract), Intern. Botan. Congr., 10th, Edinburgh, 1964, 16-17, 1964.

4. Stewart W. N., More about the origin of vascular plants, Plant Sci. Bull., 6, 1-5 (1960).

5. Towe K. M., Oxygen-collagen priority and the early Metazoan record, Proc. Natl. Acad. Sci., Wash., 65, 781-788 (1970).