1. Chemical Industry News & Intelligence (ICIS.com), Peak practice, ICIS News (March 16, 1998). Available at http://www.icis.com.
2. Chemical Industry News & Intelligence (ICIS.com), Chemical Profile Ethanol (January 20, 2003). Available at http://www.icis.com.
3. Chemical Industry News & Intelligence (ICIS.com), Industrial ethanol market tightening, ICIS News (June 27, 2005). Available at http://www.icis.com.