@article{eage:/content/papers/10.3997/2214-4609.201410511, author = "Lu, G. and Ursin, B.", title = "Improved traveltime tomography applied to cross-well seismic data", journal= "", year = "1992", volume = "", number = "", pages = "", doi = "https://doi.org/10.3997/2214-4609.201410511", url = "https://www.earthdoc.org/content/papers/10.3997/2214-4609.201410511", publisher = "European Association of Geoscientists & Engineers", issn = "2214-4609", type = "", eid = "cp-45-00173", }