@article{PB-A50F9DBF15980AD621C4,
  title = {Polarization transition between sunlit and moonlit skies with possible implications for animal orientation and Viking navigation: anomalous celestial twilight polarization at partial moon},
  author = {András Barta and Alexandra Farkas and Dénes Száz and Ádám Egri and Pál Barta and József Kovács and B. Csák and I. Jankovics and Gyula M. Szabó and Gábor Horváth},
  journal = {Applied Optics},
  year = {2014},
  doi = {10.1364/ao.53.005193}
}