1. Albert, L. A. 1998. Persistent pesticides and its long-range effects. Proceedings of the II International Symposium on Sustainable Agriculture. 1998, Mexico City. (in Spanish)
2. Solar photocatalytic degradation of Aldrin
3. Annual report of the Mexican Chemical Industry, Mexico City, 2000 (in Spanish)
4. Monthly Industrial Report, Mexico City, 2000 (in Spanish)