@article{article,
  author = {T Copelen and W Brand and M Gehre and M Groening and HAJ Meijer and Blaza Toman and R. Verkouteren},
  title = {Consistency of \&$\#$916; <sup>13</sup> C Measurements Improved},
  year = {2006},
  month = {2006-02-01 00:02:00},
  publisher = {Analytical Chemistry},
  language = {en},
}