@article{otegui_survey_2017,
	title = {A {Survey} of {Train} {Positioning} {Solutions}},
	volume = {17},
	issn = {1530-437X, 1558-1748, 2379-9153},
	url = {http://ieeexplore.ieee.org/document/8022861/},
	doi = {10.1109/JSEN.2017.2747137},
	number = {20},
	urldate = {2018-03-19TZ},
	journal = {IEEE Sensors Journal},
	author = {Otegui, J. and Bahillo, A. and Lopetegi, I. and Diez, L.E.},
	year = {2017},
	keywords = {Q1, if-2.512},
	pages = {6788--6797}
}