@conference{203051,
  author = {Yaw Obeng and Stephen Knight and Joaquin Martinez},
  title = {ECS Transactions},
  year = {2008},
  number = {13},
  month = {2008-05-18},
  publisher = {ECS Transaction, Phoenix, AZ},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=32939},
  language = {en},
}