Rivera, A.; Cawkwell, F.; Wendt, A.; Zamora, R.: Mapping Blue-Ice Areas and Crevasses in West Antarctica Using ASTER Images, GPS, and Radar Measurements. Springer Berlin Heidelberg 2014Kargel, J. S.; Leonard, G. J.; Bishop, M. P.; Kääb, A.; Raup, B. H. / Global Land Ice Measurements from Space: ISBN 978-3-540-79817-0 https://doi.org/10.1007/978-3-540-79818-7_31