Clustering of Variables with Missing Data: Application to Preference Studies. - Karin Sahmer; Evelyne Vigneau; Mostafa El Qannari; Joachim Kunert (GfKl, 2004)

Assessing Unidimensionality within PLS Path Modeling Framework. - Karin Sahmer; Mohamed Hanafi; Mostafa El Qannari (GfKl, 2005)

A Model for the Clustering of Variables Taking into Account External Data. - Karin Sahmer (Classification and Data Mining, 2013)