1. Hogan JP, Banks RL (1954) Patent US 2825721
2. McDaniel MP (1985) Adv Catal 33:47
3. McDaniel MP (2008) Polymerization reactions. In: Ertl G, Knozinger H, Schüth F, Weitkamp J (eds) Handbook of heterogeneous catalysis. Wiley-VCH, Weinheim
4. McDaniel MP (2010) Adv Catal 53:123
5. McDaniel MP (1981) J Catal 67:71