1. Barcucci, E., Frosini, A., Rinaldi, S.: On directed-convex polyominoes in a rectangle. Discrete Math. 298(1-3), 62–78 (2005)
2. Battaglino, D.: Enumeration of polyominoes defined in terms of pattern avoidance or convexity constraints, PhD thesis (University of Sienna), arXiv:1405.3146v1 (2014)
3. Battaglino, D., Bouvel, M., Frosini, A., Rinaldi, S.: Permutation classes and polyomino classes with excluded submatrices. ArXiv 1402.2260 (2014)
4. Battaglino, D., Bouvel, M., Frosini, A., Rinaldi, S., Socci, S., Vuillon, L.: Pattern avoiding polyominoes. In: Proceedings di Italian Conference Theoretical Computer Science, Palermo, Settembre 9-11 (2013)
5. Bona, M.: Combinatorics of permutations. Chapman-Hall and CRC Press (2004)