R. Scheffer. 2011. ESTA Standard; European Seed Treatment Assurance. Quality assurance system for seed treatment and treated seed. ESA European Seed Association, Brussels, Belgium. 15 pp.
R. Scheffer. 2014. Why germination rates vary. 2nd Edition. Monsanto IP Management B.V., The Netherlands. 24 pp.
R.J. Scheffer, J.G.W.F. Voeten, R.P. Guries. 2008. Biological Control of Dutch Elm Disease. Plant Disease 92, 192-200
R. Ranganathan, R. Scheffer & H. Koenraadt. 2003. Industry initiatives in seed health: the example of vegetables. Seed Testing International – ISTA News Bulletin 125, 22-24
S. Cliquet & R.J. Scheffer. 1996. Biological control of damping-off caused by Pythium ultimum and Rhizoctonia solani using Trichoderma spp. applied as industrial film coatings on seeds. European Journal of Plant Pathology 102, 247-255
M. Leeman, J.A. van Pelt, M.J. Hendrickx, R.J. Scheffer, P.A.H.M. Bakker, & B. Schippers. 1995. Biocontrol of fusarium wilt of radish in commercial greenhouse trials by seed treatment with Pseudomonas fluorescens WCS374. Phytopathology 85, 1301-1305
R.J. Scheffer. 1994. The seed industry's view on biological seed treatments. BCPC Monograph 57, pp. 311-314