Bibliography
- Reich, K. and M. Aschner, 1946: Hassadeh 26. (In Hebrew.)
- Reich, K. and M. Aschner, 1947: Pal. Journ. Bot. 6. 14–23.
- Komarovsky, B., 1949: Hassadeh 29. (In Hebrew.)
- Otterstrøm, C. V., 1939: Report of the Danish Biological Station. 24 p.
- Rayss, T., 1944: Pal. Journ. Bot. 3. 94–113.
- Shelubsky, M., 1951: Proc. Int. Assoc. Limnology XI. 362–366.