1. Dobbs, C.L., et al.: Formation of molecular clouds and global conditions for star formation. In: Beuther, H., Klessen, R., Dullemont, C., Henning, Th. (eds.). Protostars and Planets VI. University of Arizona Press, pp. 3–26 (2014)
2. Special Issue: Star Formation Triggering by Cloud-Cloud Collision. Publication of the Astronomical Society of Japan – PASJ, 70 (SP2) (2018)
3. Fukui, Y., Ohama, A., Hanaoka, N., et al.: Molecular clouds toward the super star cluster NGC 3603. Possible evidence for a cloud-cloud collision in triggering the cluster formation. Astrophys. J. 780(36), 13 (2014)
4. Habe, A., Ohta, K.: Gravitational instability induced by a cloud-cloud collision: the case of head-on collision between clouds with different sizes and densities. Publ. Astron. Soc. Japan 44, 203–226 (1992)
5. Lattanzio, J.C., Monaghan, J.J., Pongracic, H., Schwarz, M.P.: Interstellar cloud collisions. MNRAS 215(2), 125–147 (1985)