@article{eage:/content/papers/10.3997/2214-4609.20149649, author = "Tawfik, M. and S. Farag, K. and M. Ibraheem, I.", title = "The Efficiency of (VLF-EM) Method in Detecting Buried Old Tunnels in the Egyptian Nile Delta", journal= "", year = "2011", volume = "", number = "", pages = "", doi = "https://doi.org/10.3997/2214-4609.20149649", url = "https://www.earthdoc.org/content/papers/10.3997/2214-4609.20149649", publisher = "European Association of Geoscientists & Engineers", issn = "2214-4609", type = "", eid = "cp-238-00705", }