Mikkelsen, Alexander; Selj, Gorm Krogh. Spectral properties of multilayered oak leaves and a camouflage net: experimental measurements and mathematical modelling. Proceedings of SPIE, the International Society for Optical Engineering 2021 ;Volum 11865.

Selj, Gorm Krogh; Mikkelsen, Alexander. Spectral reflectance measurements of snow and snow covered objects: experimental studies compared with mathematical models. Proceedings of SPIE, the International Society for Optical Engineering 2021 ;Volum 11865