Effects of Different Illumination and Observation Techniques of Cultivated Soils on Their Hyperspectral Bidirectional Measurements Under Field and Laboratory Conditions. - Jerzy Cierniewski; Cezary Kazmierowski; Slawomir Królewicz; Jan Piekarczyk; Marcin Wróbel; Bogdan Zagajewski (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2014)