Add reference for quality metrics

Author: fiveop

paper.tex

@@ -244,7 +244,8 @@ \subsection{Module 2: Consultation Services}
 \label{sec:consultation}
 
 With the majority of researchers being self-taught programmers~\autocite{Carver2013}, there is a huge demand for expertise on how to develop better research software.
-Here, "better" can refer to a number of quality metrics such as correctness, reproducibility, maintainability, extendability, usability, portability, interoperability, performance or scalability [REF].
+Here, "better" can refer to a number of quality metrics such as correctness, reproducibility, maintainability, extendability, usability, portability, interoperability, performance or scalability~\autocite[Chapter 16]{Schulmeyer2008}.
+
 In order to raise the quality standards for research that is based on research software, it is of great importance for research institutions to provide access to such expertise with a low entry barrier.
 The hub is a natural place to provide this central service.
 There exists a number of scenarios where RSE consultation services differ strongly in scale and format.

positionpaper.bib

@@ -297,3 +297,12 @@ @Article{Carver2013
   pages =        {7--11},
   publisher =    {IEEE}
 }
+
+
+@Book{Schulmeyer2008,
+  author =       {Schulmeyer, Gordon},
+  title =        {Handbook of Software Quality Assurance, Fourth Edition},
+  year =         2008,
+  publisher =    {Artech House},
+  isbn =         {978-1-59693-186-2}
+}