@misc{136806,
  author = {Martin Berger and J Hubbell},
  title = {Photon Attenuation Coefficients, ed. by D.R. Lide},
  year = {1995},
  month = {1995-01-01},
  publisher = {CRC Handbook of Chemistry and Physics 76<sup>th</sup> Edition 1995-1996 Pages},
  language = {en},
}