@article{Panella_2020,
title={COST-BENEFIT ANALYSIS OF RAIL TUNNEL INSPECTION FOR PHOTOGRAMMETRY AND LASER SCANNING},
volume={XLIII-B2-2020},
ISSN={2194-9034},
url={http://dx.doi.org/10.5194/isprs-archives-xliii-b2-2020-1137-2020},
DOI={10.5194/isprs-archives-xliii-b2-2020-1137-2020},
journal={The International Archives of the Photogrammetry,
Remote Sensing and Spatial Information Sciences},
publisher={Copernicus GmbH},
author={Panella,
F. and Roecklinger,
N. and Vojnovic,
L. and Loo,
Y. and Boehm,
J.},
year={2020},
month=aug,
pages={1137–1144} }