M. Eddaoudi, J. Kim, N. Rosi, D. Vodak, J. Wachter, M. O’Keeffe and O. M. Yaghi, “Systematic Design of Pore Size and Functionality in Isoreticular MOFs and Their Application in Methane Storage,” Science Magazine, Vol. 295, No. 5554, 2002, pp. 469-472. doi:10.1126/science.1067208