@phdthesis{74803,
  author = {A.J. Heymsfield and L.M. Miloshevich},
  title = {Observations of relative humidity conditions required for cirrus formation},
  year = {1994},
  journal = {ECMWF/GEWEX Workshop on Validation and Assimilation of Clouds, 31 October to 4 November 1994},
  pages = {423-438},
  month = {1994},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}