2005 · Bernhard Speiser, F. Blake, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) · 3
2008 · Mag. Eva Maria Grünbacher, Bernhard Kromp · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) · 2
2008 · Patrick Hann, Mag. Eva-Maria Grünbacher, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) · 2
2005 · Bernhard Speiser, F. Blake, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) · 1