S. A. Morris, G. P. M. Bignami, Y. Tian, M. Navarro, D. S. Firth, J. čejka, P. S. Wheatley, D. M. Dawson, W. A. Slawinski, D. S. Wragg, R. E. Morris, and S. E. Ashbrook. In situ solid-state NMR and XRD studies of the ADOR process and the unusual structure of zeolite IPC-6. Nature Chemistry, volume 9, issue 10, April 2017.