@techreport{Matthews2007,
author = {Matthews, S.A. and Janelle, D.G. and Goodchild, M.F.},
title= {Advanced Spatial Analysis Training for Population Scientists},
year = {2007},
URL = {http://www.pop.psu.edu/services/GIA/training-resources},
publisher = {Penn State Population Research Institute},
address = {University Park, PA},
}