1. Progress in catalytic technology in the People's Republic of China during the 1980s
2. E. Min, D. Li, Q. Yuan, Hydrocarbon Engineering, September 1997, pp. 1–5
3. D.-D. Li, X.-W. Zhang, K. Li, J. Chen, Presented at the Annual Meeting of the National Petroleum Refiners Association, Marriott/Sheraton, New Orleans, Louisiana, 22–24 March 1992, AM-92-49
4. Y.-L. Shi, J.-W. Shi, X.-W. Zhang, Y.-H. Shi, D.-D. Li, Presented at the Annual Meeting of the National Petroleum Refiners Association, Convention Center, San Antonio, TX, 21–23 March 1993, AM-93-56
5. Oil and Gas Journal, 4 October 1993, p. 34