Adaptive computing and server virtualization in German data centers - Potentials for increasing energy efficiency today and in 2020. - Ralph Hintemann; Klaus Fichter; Daniel Schlitt (EnviroInfo, 2014)

Energy demand of workplace computer solutions - A comprehensive assessment including both end-user devices and the power consumption they induce in data centers. - Ralph Hintemann; Klaus Fichter (EnviroInfo/ICT4S (1), 2015)