B. Plewe.
The Nature of Uncertainty in Historical Geographic Information.
In Transactions in GIS, vol. 6, no. 4, pp. 431--456, 2002.

Bibtex:

@Article{       plewe:2002:NUHG,
  title =       {The Nature of Uncertainty in Historical Geographic
                 Information},
  author =      {B. Plewe},
  journal =     {Transactions in {GIS}},
  volume =      {6},
  number =      {4},
  pages =       {431--456},
  year =        {2002},
}