@misc{74781,
  author = {C Hamilton and G Day and R Phelan},
  title = {Electrically Calibrated Pyroelectric Radiometer System.},
  year = {1976},
  month = {1976-03-01},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}