@article{Szymczak:2011T7,
  author = "Szymczak, Marian",
  title = "{Methanol maser structure and variability}",
  doi = "10.22323/1.125.0099",
  journal = "PoS",
  year = 2011,
  volume = "10th EVN Symposium",
  pages = "099"
}