Establishing and Navigating Trace Links between Elements of Informal Diagram Sketches. - Markus Kleffmann; Sebastian Rohl; Volker Gruhn; Matthias Book (SST@ICSE, 2015)

Evaluation of a traceability approach for informal freehand sketches. - Markus Kleffmann; Sebastian Rohl; Matthias Book; Volker Gruhn (Autom. Softw. Eng., 2018)