Basilevsky, A. T., Krasilnikov, S. S., Mall, U., Hviid, S. F. S., Skorov, Y. V., & Keller, H. U. (2017). Pinnacles on the 67P cornet nucleus: Evidence for large scale erosion and hierarchical agglomeration of the nucleus. Planetary and Space Science, 140, 80-85. doi:10.1016/j.pss.2016.11.005.