14.07.2013 Krediet (1999), Harr & Wiberg (2008), Li, Blandford, Cairns & Young (2008), Brownell & Newman (2009), Dirican & Göktürk (2009), Ballermann, Shaw, Mayes, Gibney & Westbrook (2011), Haller, Richter, Brandl, Gross, Schossleitner, Schrempf, Nii, Sugimoto & Inami (2011), Ratwani & Trafton (2011), Sykes (2011), Warnock, McGee-Lennon & Brewster (2011), Warnock, McGee-Lennon & Brewster (2011), Westbrook, Duffield, Li & Creswick (2011), Harr & Kaptelinin (2012), Jones, Gould & Cox (2012), Li, Magrabi & Coiera (2012), Marulanda-Carter & Jackson (2012) added to Literature.
23.02.2013 Arroyo & Selker (2011), Paul, Komlodi & Lutters (2011) added to Literature.
19.02.2013 Fattu & Mech (1953), Jacobshagen (1990), Langan-Fox, Armstrong, Balvin & Anglim (2002), Healey, Sevdalis & Vincent (2006), Beeftink, van Eerde & Rutte (2008), Morgan, Patrick, Waldron, King, Patrick (2009), Huang, Rau, Su, Tu & Zhao (2010), Cane, Cauchard & Weger (2012), Fonner & Roloff (2012), Baethge & Rigotti (2013), Morgan & Patrick (2013), Shum, Cahill, Hohaus, O'Gorman & Chan (2013) added to Literature.
