2004 · Arja Nykänen, H. Heuwinkel, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) · 1
2004 · H. Heuwinkel, F. Löcher, et al. · mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich) · 1
2001 · F. Löcher, H. Heuwinkel, et al. · mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich) · 1
2003 · F. Locher, H. Heuwinkel, et al. · mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich)
2002 · H. Heuwinkel, F. Locher, et al. · mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich)
2002 · H. Heuwinkel, F. Locher, et al. · mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich)