Literatura
[CLRS] Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest, Clifford Stein,
Wprowadzenie do algorytmów, Wydawnictwa Naukowo-Techniczne, Warszawa 2004.
[HU] J.E.Hopcroft, J.D.Ullman,
Set merging algorithms, SIAM Journal on Computing, 2(4) ,1973, 294-303.
[T1] R.E.Tarjan,
Efficiency of a good but not linear set union algorithm, J. Assoc. Comput. Mach. 22, 1975, 215-225.
[T2] R.E.Tarjan,
A class of algorithms which require non-linear time to maintain disjoint sets, J. Comput. Syst. Sci. 19, 1979, 110-127.