2004 · Michael Walkenhorst, Christophe Notz, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) · 5
2007 · Christian Fidelak, Michaela Berke, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) · 2
2005 · Fritz Heil, Peter Klocke, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) · 2
2006 · Fritz Heil, Silvia Ivemeyer, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) · 1
2006 · Christian Fidelak, Michaela Berke, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) · 1
2011 · Michael Walkenhorst, Silvia Ivemeyer, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture)
2007 · P. Klocke, Ophélie Clottu, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture)
2007 · Ophélie Clottu, Peter Klocke, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture)
2006 · Ophélie Clottu, Peter Klocke, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture)
2005 · Michael Walkenhorst, Fritz Heil, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture)