Burkert, Andreas Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;
Gritschneder, M., Heigl, S., & Burkert, A. (2017). Oscillating filaments - I. Oscillation and geometrical fragmentation. The Astrophysical Journal, 834(2): 202, pp. 1-7. doi:10.3847/1538-4357/834/2/202.