1. The experimental transmission of hop latent viroid and its elimination by low temperature treatment and meristem culture
2. Ball, E. 1948. Differentiation in the primary shoots of Lupinus albus L. and of Tropaeolum majus L. Symp. Soc. Exp. Biol. 2: 246–262.
3. Barba, M., S. Cupidi, S. Loreti, F. Faggioli and L. Martino. 1995. In vitro micrografting: a technique to eliminate peach latent mosaic viroid from peach. Acta Hort. 386: 531–535.
4. Barba, M., Gumpf, D. J. and A. Hadidi. 2003a. Quarantine of imported germplasm. p. 303–311. In: A. Hadidi, R. Flores, J. W. Randles and J. S. Semanick (eds.). Viroids. CSIRO, Collingwood.
5. Barba, M., E. Ragozzino and L. Navvaro. 2003b. Viroid elimination by thermotherapy and tissue culture. p. 318–323. In: A. Hadidi, R. Flores, J. W. Randles and J. S. Semanick (eds.). Viroids. CSIRO, Collingwood.