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\begin{thebibliography}{}

\bibitem[Lawrence(2004)]{Law04} Lawrence, J. S., 2004, ``Infrared and
  submillimetre atmospheric characteristics of high Antarctic plateau
  sites'', PASP, 116, 482. 

\bibitem[Siegel et al.(1998)]{sieg98} Siegel, P.H., Mehdi, I.,
  Dengler, R.J., Lee, T.H., Hunphrey, D.A., Pease, A., Zimmermann, R.,
  \& Zimmermann, P.,  1998, ``A 640 GHz planar-diode fundamental
  mixer/receiver'', Microwave Symposium Digest, 1998 IEEE MTT-S
  International,  2, 407. 

\end{thebibliography}

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