Watchers
- ahagenbruchUniversity Library, Ruhr-Universität Bochum
- axel-klinger@TIBHannover
- cKleeZeitschriftendatenbank
- eemailme
- exwima
- ezajkon/a
- gpetz
- hagbeckTU Dortmund University
- hbunke@TIBHannover
- jensws
- jhcloos
- johltonUniversity Library - Berlin Institute Of Technology
- krugar
- MSpengerGermany
- Nancy-1990
- NbtKmyZürich
- socheres
- sommer-gei
- stweil@UB-Mannheim
- UschiKlute
- wolfhesseandel systems engineering
- zuphilip@UB-Mannheim