1. Holst, J., Trewin, A., Cooper, A.: Porous organic molecules. Nature Chem. 2, 915–920 (2010)
2. Strozecki, Y.: Enumeration complexity and matroid decomposition. Ph.D thesis, Université Paris Diderot - Paris 7 (2010)
3. Li, G., Ruskey, F.: The advantages of forward thinking in generating rooted and free trees. In: ACM-SIAM Symposium on Discrete Algorithms, pp. 939–940 (1999)
4. Liskovets, V.: Enumeration of nonisomorphic planar maps. Selecta Math. Soviet. 4, 304–323 (1985)
5. Cori, R., Vauquelin, B.: Planar maps are labelled trees. Canadian Journal Math. 33, 1023–1042 (1981)