deletions | additions       diff --git a/These_are_sutiable_for_comparison__.tex b/These_are_sutiable_for_comparison__.tex  index c26203a..9ccab34 100644  --- a/These_are_sutiable_for_comparison__.tex  +++ b/These_are_sutiable_for_comparison__.tex 
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\item why is it useful (validation of satellites and can be more easily calibrated using in-situ measurements)  \item what datasets are there (NDACC and TCCON (Wunch 2010))  \item if at all how have they been calibrated.  \item random errors for total column isotope ratios can be as large as the variability \cite{Frankenberg_2009} \cite{Frankenberg_2009}, so also need validation  \end{itemize}  \\