The variability of spectral solar ultraviolet irradiance in an Alpine environment

A. Albold, M. Blumthaler, T. Cabot, A. de la Casinière, J. Lenoble, T. Martin, D. Masserot, M. Müller, T. Pichler, E. Pougatch, R. Philipona, G. Rengarajan, D. Schmucki, G. Seckmeyer, C. Sergent, M.L. Touré, P. Weihs