@misc{alissandrakis2013coronal,
  title={Hot coronal loops associated with umbral brightenings},
  author={C. E. Alissandrakis and S. Patsourakos},
  year={2013},
  eprint={1307.3392},
  archivePrefix={arXiv},
  primaryClass={astro-ph.SR},
  doi={10.1051/0004-6361/201321787},
  url={https://arxiv.org/abs/1307.3392}
}