Chandrasekhar, Vadapalli, and Ramakirushnan Suriya Narayanan. “Pyridyloxy Cyclophosphazenes and Carbophosphazenes: Inorganic Ring-Supported Coordination Platforms”. CHIMIA, vol. 67, no. 1-2, Feb. 2013, p. 64, doi:10.2533/chimia.2013.64.