@article{Jones1995,
author = {Jones, J.P.III. and Hanham, R.Q.},
title= {Contingency, realism and the expansion method},
year = {1995},
doi = {10.1111/j.1538-4632.1995.tb00905.x},
journal = {Geographical Analysis},
volume = {27},
number = {3},
pages = {185--207},
}