1. A comparative study of monomer, homopolymer and copolymer HALS
2. N. Capridinis, N. Lelly, PCT Patent Application WO 04/035673 (2004).
3. D.W. Horsey, S.M. Andrews, L.H. Davis, D.D. Dyas Jr., R.L. Gray, A. Gupta, B.H. Hein, J.S. Puglisi, R. Ravichandran, P. Shields, R. Srinivasan, US Patent 6,599,963 (2003).
4. N. Capridinis, G. Chandrika, J. Zing, PCT Patent Application WO 04/031286 (2004).