Determining iron content in Mediterranean soils in partly vegetated areas, using spectral reflectance and imaging spectroscopy. - Harm M. Bartholomeus; Gerrit F. Epema; Michael E. Schaepman (Int. J. Appl. Earth Obs. Geoinformation, 2007)

Scaling dimensions in spectroscopy of soil and vegetation. - Zbynek Malenovský; Harm M. Bartholomeus; Fausto W. Acerbi-Junior; Jürg Schopfer; Thomas H. Painter; Gerrit F. Epema; Arnold K. Bregt (Int. J. Appl. Earth Obs. Geoinformation, 2007)