Ghassami, A., S. Salehkaleybar, N. Kiyavash, and K. Zhang. “Counting and Sampling from Markov Equivalent DAGs Using Clique Trees”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 33, no. 01, July 2019, pp. 3664-71, doi:10.1609/aaai.v33i01.33013664.