@article{Entwisle1997,
author = {Entwisle, B. and Rindfuss, R.R and Walsh, S.J. and Evans, T.P. and Curran, S.R.},
title= {Geographic information systems, spatial network analysis, and contraceptive choice},
year = {1997},
doi = {10.2307/2061697},
journal = {Demography},
volume = {34},
number = {2},
pages = {171--187},
}