Energy-efficiency indicators for e-services. - Jeroen Arnoldus; Joris Gresnigt; Kay Grosskop; Joost Visser 001 (GREENS, 2013)

Energy Efficiency Optimization of Application Software. - Kay Grosskop; Joost Visser 001 (Adv. Comput., 2013)

PUE for end users - Are you interested in more than bread toasting? - Kay Grosskop (Softwaretechnik-Trends, 2013)