Hilmarsson, Ísak, Jónsdóttir, I., Sigurðardóttir, S., Viðarsdóttir, L. and Ulfarsson, H. 2015. Wilf-Classification of Mesh Patterns of Short Length. The Electronic Journal of Combinatorics. 22, 4 (Oct. 2015), P4.13. DOI:https://doi.org/10.37236/4678.