@book{id_12799, author = "Scharrer, K. and Mayer, C. and Nagler, T. and Münzer, U. and Gudmundsson, A.", title = "Effects of ash layers of the 2004 Grimsvötn eruption on SAR backscatter in the accumulation area of Vatnajökull", year = "2007", series = "Annals of Glaciology", url = "https://doi.org/10.3189/172756407782282417", }