@article{HamannTronickeSteelmanetal.2013,
  author    = {G{\"o}ran Hamann and Jens Tronicke and Colby M. Steelman and Anthony L. Endres},
  title     = {Spectral velocity analysis for the determination of ground-wave velocities and their uncertainties in multi-offset GPR data},
  journal   = {Near surface geophysics},
  volume    = {11},
  number    = {2},
  pages     = {167 -- 176},
  doi       = {10.3997/1873-0604.2012038},
  year      = {2013},
}