\begin{thebibliography}{8}
% BibTex style file: spr-mp-sola.bst, 2008-05-09
\ifx \bisbn   \undefined \def \bisbn  #1{ISBN #1}\fi
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\ifx \citeauthoryear \undefined \def \citeauthoryear#1{#1} \fi
\def \endbibitem {}

\bibitem[\protect\citeauthoryear{{Armstrong} and
  {Low}}{1973}]{1973ApOpt..12.2007A}
\begin{barticle}
\bauthor{\bsnm{{Armstrong}}, \binits{K.R.}}, \bauthor{\bsnm{{Low}},
  \binits{F.J.}}:
\byear{1973},
\batitle{{New techniques for far-infrared filters.}}
\bjtitle{\ao}
\bvolume{12},
\bfpage{2009}\,--\,\blpage{2009}.
\end{barticle}
\endbibitem

\bibitem[\protect\citeauthoryear{{Hudson}}{1975}]{1975SoPh...45...69H}
\begin{barticle}
\bauthor{\bsnm{{Hudson}}, \binits{H.S.}}:
\byear{1975},
\batitle{{The solar-flare infrared continuum - Observational techniques and
  upper limits}}.
\bjtitle{\solphys}
\bvolume{45},
\bfpage{78}\,--\,\blpage{78}.
doi:\doiurl{10.1007/BF00152217}.
\end{barticle}
\endbibitem

\bibitem[\protect\citeauthoryear{{Koutchmy} and
  {Peyturaux}}{1970}]{1970A&A.....5..470K}
\begin{barticle}
\bauthor{\bsnm{{Koutchmy}}, \binits{S.}}, \bauthor{\bsnm{{Peyturaux}},
  \binits{R.}}:
\byear{1970},
\batitle{{Study of the Solar Continuum in the Intermediate Infra-Red Spectral
  Range 3.5-24.4 4u}}.
\bjtitle{\aap}
\bvolume{5},
\bfpage{470}.
\end{barticle}
\endbibitem

\bibitem[\protect\citeauthoryear{{Lena}}{1970}]{1970A&A.....4..202L}
\begin{barticle}
\bauthor{\bsnm{{Lena}}, \binits{P.}}:
\byear{1970},
\batitle{{Continuum Infrared Radiation of the Solar Photosphere}}.
\bjtitle{\aap}
\bvolume{4},
\bfpage{202}.
\end{barticle}
\endbibitem

\bibitem[\protect\citeauthoryear{{Lindsey} and
  {Heasley}}{1981}]{1981ApJ...247..348L}
\begin{barticle}
\bauthor{\bsnm{{Lindsey}}, \binits{C.}}, \bauthor{\bsnm{{Heasley}},
  \binits{J.N.}}:
\byear{1981},
\batitle{{Far-infrared continuum observations of solar faculae}}.
\bjtitle{\apj}
\bvolume{247},
\bfpage{353}\,--\,\blpage{353}.
doi:\doiurl{10.1086/159043}.
\end{barticle}
\endbibitem

\bibitem[\protect\citeauthoryear{{Melo}
  \textit{et~al.}}{2006}]{2006PASP..118.1558M}
\begin{barticle}
\bauthor{\bsnm{{Melo}}, \binits{A.M.}}, \bauthor{\bsnm{{Kaufmann}},
  \binits{P.}}, \bauthor{\bsnm{{Kudaka}}, \binits{A.S.}},
  \bauthor{\bsnm{{Raulin}}, \binits{J.P.}}, \bauthor{\bsnm{{Marcon}},
  \binits{R.}}, \bauthor{\bsnm{{Marun}}, \binits{A.}},
  \bauthor{\bsnm{{Pereyra}}, \binits{P.}}, \bauthor{\bsnm{{Levato}},
  \binits{H.}}:
\byear{2006},
\batitle{{A New Setup for Ground-based Measurements of Solar Activity at 10
  {$\mu$}m}}.
\bjtitle{\pasp}
\bvolume{118},
\bfpage{1563}\,--\,\blpage{1563}.
doi:\doiurl{10.1086/509267}.
\end{barticle}
\endbibitem

\bibitem[\protect\citeauthoryear{{Taylor} and
  {Yates}}{1957}]{1957JOSA...47..223T}
\begin{barticle}
\bauthor{\bsnm{{Taylor}}, \binits{J.H.}}, \bauthor{\bsnm{{Yates}},
  \binits{H.W.}}:
\byear{1957},
\batitle{{Atmospheric transmission in the infrared}}.
\bjtitle{Journal of the Optical Society of America (1917-1983)}
\bvolume{47},
\bfpage{223}.
\end{barticle}
\endbibitem

\bibitem[\protect\citeauthoryear{{Turon} and
  {L{\'e}na}}{1970}]{1970SoPh...14..112T}
\begin{barticle}
\bauthor{\bsnm{{Turon}}, \binits{P.J.}}, \bauthor{\bsnm{{L{\'e}na}},
  \binits{P.J.}}:
\byear{1970},
\batitle{{High resolution solar images at 10 microns: Sunspot details and
  photometry}}.
\bjtitle{\solphys}
\bvolume{14},
\bfpage{124}\,--\,\blpage{124}.
doi:\doiurl{10.1007/BF00240164}.
\end{barticle}
\endbibitem

\end{thebibliography}
