In this section
@article{Graham:2008:10.1016/j.tre.2006.04.001,
author = {Graham, DJ},
doi = {10.1016/j.tre.2006.04.001},
journal = {TRANS RES E},
pages = {84--99},
title = {The productive efficiency of urban railways: parametric and non-parametric estimates},
url = {http://dx.doi.org/10.1016/j.tre.2006.04.001},
volume = {44},
year = {2008}
}
TY - JOUR
AU - Graham,DJ
DO - 10.1016/j.tre.2006.04.001
EP - 99
PY - 2008///
SP - 84
TI - The productive efficiency of urban railways: parametric and non-parametric estimates
T2 - TRANS RES E
UR - http://dx.doi.org/10.1016/j.tre.2006.04.001
VL - 44
ER -
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