A robust line transect method. Buckland, S. T. & Turnock, B. J. Biometrics, 48:901–909, 1992.
bibtex   
@ARTICLE{BucTur92,
  author = {Buckland, S. T. and Turnock, B. J.},
  title = {A robust line transect method},
  journal = {Biometrics},
  year = {1992},
  volume = {48},
  pages = {901--909},
  file = {Buckland&Turnock1992.pdf:Buckland&Turnock1992.pdf:PDF},
  subdatabase = {distance}
}

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