Direct, Longwave Radiative Forcing of Mineral Dust: Improvement of its Estimation by Means of Tools Recently Developed by the EARLINET CommunityMichaël Sicard, Constantino Muñoz-Porcar, Adolfo Comerón, Alejandro Rodriguez, Francesc Rocadenbosch and Ruben BarraganEPJ Web of Conferences, 119 (2016) 21002DOI: https://doi.org/10.1051/epjconf/201611921002