@misc{148806,
  author = {Robert Dragoset and Arlene Musgrove and Charles Clark and William Martin},
  title = {Periodic Table: Atomic Properties of the Elements, Version 2},
  year = {2001},
  month = {2001-01-01},
  publisher = {- 0966, National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}