deletions | additions       diff --git a/Introduction.md b/Introduction.md  index 14bf618..361565c 100644  --- a/Introduction.md  +++ b/Introduction.md 
...
#Introduction  Numerous methods exist for analysing sparks in confocal linescans. These employ various different approaches: noise tresholding\cite{R_os_2001} tresholding \cite{R_os_2001,Picht_2007}