@article{Fischer2008,
author = {Fischer, M.M. and Griffith, D.A.},
title= {Modeling spatial autocorrelation in spatial interaction data: An application to patent citation in the European union},
year = {2008},
doi = {10.1111/j.1467-9787.2008.00572.x},
journal = {Journal of Regional Sciences},
volume = {48},
number = {5},
pages = {969--989},
}