Add reference to SSI article

Author: jlinx

paper.tex

@@ -84,7 +84,7 @@ \section{Motivation}
 We assume that research software will follow a similar trajectory.
 \footnote{For arguments why research software is unlike data, see REF .}
 While we focus on Germany here, it is beneficial to review how other countries approach research software.
-In the UK, for example, many universities started initiating dedicated RSE departments about a decade ago [REF].
+In the UK, for example, many universities started initiating dedicated RSE departments about a decade ago~\autocite{Crouch2013}.
 The successful establishment of such staff roles is a role model for similar academic organizations worldwide.
 A range of already-existing departments can be seen in this map: https://society-rse.org/community/rse-groups/