Carta, M., Fritsch, D., Bengtson, G., & McKeown, N. B. (2011). Synthesis and Gas Permeation Properties of Spirobischromane-Based Polymers of Intrinsic Microporosity. Macromolecular Chemistry and Physics, 212(11), pp. 1137-1146. doi:10.1002/macp.201100089

Carta, Mariolino, Detlev Fritsch, Gisela Bengtson, and Neil B. McKeown. "Synthesis and Gas Permeation Properties of Spirobischromane-Based Polymers of Intrinsic Microporosity." Macromolecular Chemistry and Physics 212, no. 11 (2011): 1137-1146.

Carta, Mariolino, Detlev Fritsch, Gisela Bengtson, and Neil B. McKeown. "Synthesis and Gas Permeation Properties of Spirobischromane-Based Polymers of Intrinsic Microporosity." Macromolecular Chemistry and Physics 212.11 (2011): 1137-1146.