@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 2024/12/22}}}