1. Viroids and the nature of viroid diseases;Diener;Arch. Virol. Suppl,1999
2. A proposed scheme for viroid classification and nomenclature;Flores;Arch. Virol,1998
3. Structure of viroids and their replication interediates. Are thermodynamic domains also functional domains?;Riesner;Virology,1990
4. Sequence variability in plant viroid RNAs;Keese,1988
5. Viroids;Diener;Science,1979