1. Production: Growth is the Normhttp://pubs.acs.org/cen/coverstory/84/pdf/8428production.pdf
2. Ethylenehttp://en.wikipedia.org/wiki/Ethylene
3. OECD SIDS Initial Assessment Profile—Ethylenehttp://www.inchem.org/documents/sids/sids/74851.pdf
4. Ethylene, Keystone to the Petrochemical Industry;Kniel,1980
5. Global ethylene capacity continues to advance in 2011http://www.ogj.com/articles/print/vol-110/issue-07/special-report-ethylene-report/global-ethylene-capacity.html