2005 · E. Lipman, L. Maggioni, et al. · CGSPace A Repository of Agricultural Research Outputs (Consultative Group for International Agricultural Research) · 2
2003 · L. Maggioni, I. Faberová, et al. · CGSPace A Repository of Agricultural Research Outputs (Consultative Group for International Agricultural Research) · 1
2012 · Kleijer, G., Faberová, I., et al. · CGSPace A Repository of Agricultural Research Outputs (Consultative Group for International Agricultural Research)