@article{Shurulinkov-2011-3988,
  author = {Shurulinkov, P and Daskalova, G and Chakarov, N and Hristov, K and Dyulgerova, S and Gocheva, Y and Cheshmedzhiev, S and Madzharov, M and Dimchev, I},
  title = {Characteristics of Soaring Birds' Spring Migration over Inland SE Bulgaria},
  journal = {Acrocephalus},
  year = {2011},
  month = {may},
  publisher = {De Gruyter},
  volume = {32},
  number = {148-149},
  pages = {29--43},
  doi = {10.2478/v10100-011-0002-4},
  url = {https://content.sciendo.com/view/journals/acro/32/148-149/article-p29.xml},
  keywords = {Wind Energy, Land-Based Wind, Shorebirds, Raptors, Birds},
}