The VERITAS Collaboration, Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;
MAGIC Collaboration, Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;
https://iopscience.iop.org/article/10.3847/1538-4357/ac6dd9 (Any fulltext)
The VERITAS Collaboration, & MAGIC Collaboration (2022). Multiwavelength Observations of the Blazar VER J0521+211 During an Elevated TeV Gamma-Ray State. Astrophysical Journal, 932, 129. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2022-114.