Improved constraints on hematite refractive index for estimating climatic effects of dust aerosols oleh Longlei Li, Natalie M. Mahowald, María Gonçalves Ageitos, Vincenzo Obiso, Ron L. Miller, Carlos Pérez García-Pando, Claudia Di Biagio, Paola Formenti, Philip G. Brodrick, Roger N. Clark, Robert O. Green, Raymond Kokaly, Gregg Swayze, David R. Thompson