@article{eage:/content/papers/10.3997/2214-4609-pdb.300.82, author = "Czarnowski, J. and Heinzel, S. and Brühl, P. and Staib, C. and Robeck, M. and Frank, G. and R. Fruhwirth, Dr.", title = "Major natural gas pipeline projects in Germany using GPR", journal= "", year = "1994", volume = "", number = "", pages = "", doi = "https://doi.org/10.3997/2214-4609-pdb.300.82", url = "https://www.earthdoc.org/content/papers/10.3997/2214-4609-pdb.300.82", publisher = "European Association of Geoscientists & Engineers", issn = "2214-4609", type = "", eid = "cp-300-00080", }