R. Duncan Luce, Albert D. Perry. "A method of matrix analysis of group structure." Psychometrika, Juni 1949, Volume 14 nr. 2, pp. 95-116. DOI:10.1007/BF02289146
Patrick Prosser. "Exact Algorithms for Maximum Clique: A Computational Study." Algorithms 2012, Vol. 5, pp. 545-587. DOI:10.3390/a5040545
Coen Bron, Joep Kerbosch. "Algorithm 457: finding all cliques of an undirected graph." Communications of the ACM, September 1973, Volume 16 nr. 9, pp. 575-577. DOI:10.1145/362342.362367