1. Antifeeding effects of bryophyte extracts from Neckera crispa and Porella obtusata against slug Arion lusitanicus;Frahm;Cryptogamie, Bryologie,2002
2. Biologically active substances found in Hepaticae;Asakawa,1988
3. Biologically active substances from bryophytes;Asakawa,1990
4. Terpenoids and aromatic compounds with pharmacological activity from bryophytes;Asakawa,1990
5. Chemical constituents of the bryophytes;Asakawa,1995