Incollection (scholz2014mining)
Scholz, C.; Macek, B.-E.; Atzmueller, M.; Doerfel, S. & Stumme, G.
David, K.; Geihs, K.; Leimeister, J. M.; Roßnagel, A.; Schmidt, L.; Stumme, G. & Wacker, A. (ed.)
Mining Social Links for Ubiquitous Knowledge Engineering
Springer International Publishing, 2014, 109-129

Book (manning2008introduction)
Manning, C. D.; Raghavan, P. & Schütze, H.
Introduction to Information Retrieval
Cambridge University Press, 2008

Book (nooy2005exploratory)
de Nooy, W.; Mrvar, A. & Batagelj, V.
Exploratory Social Network Analysis with Pajek (Structural Analysis in the Social Sciences)
Cambridge University Press, 2005

Book (diestel2006graphentheorie)
Diestel, R.
Graph Theory
Springer-Verlag Heidelberg, New York, 2005, I-XVI, 1-344