...
Pirazzini, R., L. Leppänen, G. Picard, J. I. Lopez Moreno, C. Marty, G. Macelloni, A. Kuntu, A von Lerber, C. Melih Tanis, M. Schneeebeli, C. Fiertz, P. de Rosnay and A. Nadir Arslan: "European in-situ snow measurements: practices and purposes", Sensors 2018, 18(7), 20162018; doi: https://doi.org/10.3390/s18072016
...