The number of 0-1-2 increasing trees as two different evaluations of the Tutte polynomial of a complete graph. Merino, C. — 2008 The Electronic Journal of Combinatorics [electronic only]
Improved bounds for the number of forests and acyclic orientations in the square lattice. Calkin, N.; Merino, C.; Noble, S.; Noy, M. — 2003 The Electronic Journal of Combinatorics [electronic only]