@misc{125436,
  author = {Leonard Hanssen and Simon Kaplan},
  title = {Infrared Transmittance Standards-2053, 2054, 2055, and 2056},
  year = {2001},
  month = {2001-05-01},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}