@misc{781831,
  author = {D Belsher and R Mclaughlin and Andrew Repjar and Ugo Bussy},
  title = {Detection of Lost Wells and Unknown Water-Filled Voids in CoalMines through Development of an Experimental Microwave System},
  year = {1984},
  month = {1984-09-01 00:09:00},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}