G. M. Adelson-velsky and E. M. Landis, An algorithm for the organization of information, Soviet Mathematics Doklady, vol.3, pp.1259-1263, 1962.

F. Bergeron, G. Labelle, and P. Leroux, Combinatorial Species and Tree-like Structures, 1994.
DOI : 10.1017/CBO9781107325913

O. Bernardi and N. Bonichon, Catalan's intervals and realizers of triangulations. FPSAC, 2007.

T. H. Cormen, C. E. Leiserson, R. L. Rivest, and C. Stein, Introduction to algorithms, 2003.

D. Knuth, The Art of Computer Programming Sorting and searching, 1998.

D. Knuth, The Art of Computer Programming Generating all trees -History of combinatorial generation, 2004.

N. J. Sloane, The On-Line Encyclopedia of Integer Sequences
DOI : 10.1007/978-3-540-73086-6_12

R. P. Stanley, Enumerative Combinatorics II, 1990.