@misc{84156,
  author = {Richard Geyer},
  title = {Dielectric Mixing Rules for Background Test Soils},
  year = {1988},
  month = {1988-06-01},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}