@misc{102441,
  author = {Alan Mighell},
  title = {Ambiguities in Powder Pattern Indexing: A Ternary Lattice Matric Singularity},
  year = {2004},
  number = {109},
  month = {2004-11-03},
  publisher = {Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}