“…However, the reader can refer to the book by van der Hofstad [2017] and to Newman et al [2006] and Newman [2003], which would give an excellent overview. For generalizations of the basic preferential-attachment model of Barabási and Albert see for instance Bollobás et al [2001], Krapivsky et al [2000], Krapivsky and Redner [2001], Athreya [2007], Dereich and Mörters [2009], Dereich and Mörters [2013], Betken et al [2019], Collevecchio et al [2013], and the book by van der Hofstad [2017].…”