Usability benchmark study of commercially available smart phones: cell phone type platform, PDA type platform and PC type platform. - Jeroen Keijzers; Elke den Ouden; Yuan Lu (Mobile HCI, 2008)

Understanding consumer perception of technological product failures: an attributional approach. - Jeroen Keijzers; Elke den Ouden; Yuan Lu (CHI Extended Abstracts, 2009)