@conference{501,
  author = {Marek Sikora and M. Blazejowski and G. Madejski and R. Moderski},
  title = {Modeling flares produced in blazars},
  year = {2001},
  volume = {4},
  publisher = {ESA Publications Division, ESTEC},
  address = {Alicante, Spain},
  isbn = {ISBN-10: 9290926775 ISBN-13: 978-9290926771},
  url = {http://arxiv.org/pdf/astro-ph/0101380v1.pdf},
  note = {JILA Pub. 6662},
}