2007 · Ritva Mäkelä-Kurtto, Annukka Laitonen, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) · 6
2007 · Ritva Mäkelä-Kurtto, Merja Eurola, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) · 4
2007 · Tarja Hatakka, Ritva Mäkelä-Kurtto, et al. · Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) · 2