@article{article, title = {{Mapping the underworld - state-of-the-art review}}, url = {{}}, year = {{2007}}, month = {{9}}, author = {{Metje N and Chapman DN and Rogers CDF and Thomas AM and Atkins PR and Lim HM and Brennan MJ and Muggleton JM and Ratcliffe J and Swingler S and Machell J et al}}, doi = {{10.1016/j.tust.2007.04.002}}, volume = {{22}}, journal = {{Tunnelling and Underground Space Technology}}, issue = {{5-6}}, pages = {{568-586}}, note = {{Accessed on 2024/12/28}}}