Activation Energies for the Trapping of Photoelectrons in Silver Chloride Emulsion Grains Obtained by Temperature Dependent Microwave Absorption Measurements. - Christoph Jenisch; Oliver Schröder; Thomas Müssig; Matthias Feigl; Jörg Siegel (PICS, 1999)

Employee-Centric Service Innovation: A Viable Proxy for Customer-Intimacy for Product-Focused Enterprises. - Michael Vössing; Jörg Siegel; Niels Feldmann; Thorsten Wuest; Carina Benz (IESS, 2018)