1. Albritton С. С. (Editor), The Fabric of Geology, Addison-Wesley, Reading, Mass., 372 pp. (1963).
2. Albritton С. C. (Editor), Uniformity and Simplicity. A Symposium on the University of Nature - Geol. Soc. Am., Spec. Papers, 89, 99 pp. (1967).
3. Goodman N. Uniformity and simplicty. In: С. С. Albritton (Editor), Uniformity and Simplicity. A Symposium on the University of Nature - Geol. Soc. Am., Spec. Papers, 89, 93-99 (1967).
4. Harris S. A., F airbridge R. W., Uniformitarianism. In: R. W. Fairbridge (Editor), Encyclopedia of Applied Geology and Sedimentology, Reinhold, New York, N. Y., 1970.
5. Holder H., Geologie und Palaontologie, Orbis Academicus II, Freiburg, Munchen, 566 pp., 1960.
6. Hooykaas R., Natural Law and Divine Miracle. A Historical-Critical Study of the Principle of Uniformity in Geology, Biology and Tin ogy,. Brill, Leiden, 237 pp., 1959.
7. Hubbert M. K., Critique of the principle of uniformity, Geol. Soc. Am., Spec. Papers, 89, 1-33 (1967).
8. Lyell C., Principles of Geology: Being an Enquiry how far the Former Changes of the Earth's Surface are Referable to Causes now in Operation, 12th ed., John Murray, London, 1875.
9. Mayr E., Theory of biological classification, Nature, 220, 545-548 (1968).
10. Newell N., Revolutions in the history of life. In: С. С. Albritton (Editor), Uniformity and Simplicity - Geol. Soc. Am., Spec. Papers, 89, 63-92 (1967).
11. Opdyke N. D., Paleoclimatology and continental drift. In.: E. K. Runcorn. (Editor), Continental Drift, Academic Press, New York, N. Y., London, pp. 41-66, 1962.
12. Potonie R., Vom Wesen den Geschichte der Geologie, Geol. Jahrb., 74, 17-30 (1957).
13. Rutten M. G., Actualism in epeirogenetic oceans, Geol. Mijnbouw, 11, 222-228 (1949).
14. Ruttun M. G., Shallow shelf sea sedimentation during non-glacial and a-fectonic times in geological history, Compt. Rend. Congr. Geol. Intern., 19e, Alger, 4, 119-125 (1953).
15. Ruttun M. G., Principle of actualism. In: R. Fairbridge (Editor), Encyclopedia of Earth Sciences, Reinhold, New York, N. Y., 3, 1970.
16. Umbgrove J. H. F., The Pulse of the Earth, 2nd ed. Nijhoff, The Hague, 358 pp., 1947.