Lidar Measurements Supporting the Ocular Hazard Distance Calculation Using Atmospheric AttenuationK. Ove S. Gustafsson, Rolf Persson, Frank Gustafsson, Folke Berglund, Julia Hedborg and Jonas MalmquistEPJ Web of Conferences, 119 (2016) 17008DOI: https://doi.org/10.1051/epjconf/201611917008