deletions | additions       diff --git a/Introduction.tex b/Introduction.tex  index d3cfe7d..d9fff7a 100644  --- a/Introduction.tex  +++ b/Introduction.tex 
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we refer the reader to the FRETBursts Reference Documentation  (\href{http://fretbursts.readthedocs.org/}{link}) and to  the FRETBursts µs-ALEX notebook  (\href{http://nbviewer.ipython.org/github/tritemio/FRETBursts\_notebooks/blob/master/notebooks/FRETBursts\%20-\%20us-ALEX\%20smFRET\%20burst\%20analysis.ipynb}{link}) (\href{http://nbviewer.ipython.org/github/tritemio/FRETBursts_notebooks/blob/master/notebooks/FRETBursts\%20-\%20us-ALEX\%20smFRET\%20burst\%20analysis.ipynb}{link})  Finally, usage questions can be posted by opening an Issue  on GitHub (\href{https://github.com/tritemio/FRETBursts}{link}).