Contributions on seed health testing, pathogens - seedborne infection, phytosanitary certification
." In The encyclopaedia of seeds: science, technology and uses
, edited by M. Black, J. D. Bewley and P. Halmer, 323-326, 474-475, 505. Wallingford: CABI, 2006.
." In The epidemiology of plant diseases
, edited by B. M. Cooke, G. Jones and B. Kaye, 357-372. 2nd ed. Dordrecht, the Netherlands: Springer, 2006.