5. ASAKAWA Y., TOYOTA M., TAIRA Z., TAKEMOTO T.: 25th Symposium on Chemistry of Natural Products. Symposium Papers, 1982, 337-344.
6. BANERJEE R.D., SEN S.P.: Bryologist. 1979, 82:141-153.
7. BARBIER P., BENEZRA C.: Die Naturwissenschaften. 1982, 69:296.
8. BELKIN M., FITZGERALD D.B., FELIX M.D.: J. Nat. Cancer Inst. 1952-1953, 13:741-744.
9. BENEZRA C.: Bryol. Times. 1984, 26:1-2.
10. CRUMH.: Mosses of the Great Lakes Forest. Contributions from the University of Michigan Herbarium, 1973, vol. 10.
11. CRUMH.: Sphagnaceae. (w:) Mogensen G.S. (ed.): Illustrated Moss Flora of Arctic North America and Greenland. Bioscience, 18, 1986.
12. DILLENIUS J.J.: Historica Muscorum in Qua Circiter Sexcentae Species Veteres et Novae ad Sua Genera Relatae Describuntur et Iconibus Genuinis Illustrantur: Cum Appendice et Indice Synonymorum. Oxonii, 1741.
13. DING H.: Medicinal Spore-bearing Plants of China. Shanghai 1982.
14. DUPUIS G., BENEZRA C.: Allergic contact dermatitis to simple chemicals: a molecular approach. Marcel Dekker, New York, 1982.
15. DUELL R.: Bryologische Beitraege. 1983, 2:1-115.