Bouchard, V., Creutzig, T., Diaconescu, D-E., Doran, C., Quigley, C.
& Sheshmani, A. (2017).
Vertical D4-D2-D0 Bound States on K3 Fibrations and Modularity.
Communications in Mathematical Physics,
350(3), 1069-1121.
https://doi.org/10.1007/s00220-016-2772-y