@Article{DIE03,
  author =   {Diefenbach, D. R. and Brauning, D. W. and Mattice, J. A.},
  title =    {Variability in grassland bird counts related to observer differences and species detection rates},
  journal =  {The Auk},
  year =     {2003},
  volume =   {120},
  pages =    {1168--1179},
}

@Article{Dohetal,
  author =       {Dohl, T. P. and Bonnell, M. L. and Ford, R. G.},
  title =        {Distribution and abundance of common dolphin, \emph{{D}elphinus delphis}, in the {S}outhern {C}alifornia {B}ight: a quantitative assessment based upon aerial transect data},
  journal =      {Fishery Bulletin},
  year =         {1986},
  volume =       {84},
  pages =        {333--343},
}

@Book{BUC93,
  author =   {Buckland, S. T. and Anderson, D. R. and Burnham, K. P. and Laake, J. L.},
  title =    {Distance Sampling - Estimating abundance of biological populations},
  publisher =    {Chapman and Hall},
  year =     {1993},
  address =  {London},
}

@incollection{Doi74,
   Author = {Doi, T.},
   Title = {Further development of whale sighting theory},
   BookTitle = {The Whale Problem: a Status Report},
   Editor = {W. E. Schevill},
   Publisher = {Harvard University Press},
   Address = {Cambridge, MA, USA},
   Pages = {359--368},
   Year = {1974}
}

@Phdthesis{Dru85,
  author =   {Drummer, T. D.},
  title =    {Size-bias in line transect sampling},
  school =  {University of Wyoming},
  number =   {Laramie, WY, USA},
  address =  {Raleigh},
  year =     {1997},
}

@Mastersthesis{Hay77,
  author =   {Hayes, R. J.},
  title =    {A critical review of line transect methods},
 school =  {University of Edinburgh},
  number =   {},
  address =  {Scotland},
  year =     {1977},
}

@TECHREPORT{Gue97,
  AUTHOR =       {Guenzel, R. J.},
  TITLE =        {Estimating pronghorn abundance using aerial line transect sampling},
  INSTITUTION =  {Wyoming Game and Fish Dept.},
  YEAR =         {1997},
  address =      {5400 Bishop Blvd., Cheyenne, WY},
}