Lignende værker: Black Book - Chemical Valuation & Margin Trends (October 1997)
- Black Book - Chemical Valuation & Margin Trends (October 2001)
- Black Book - Chemical Valuation & Margin Trends (October 2002)
- Black Book - Chemical Valuation & Margin Trends (October 1998)
- Black Book - Chemical Valuation & Margin Trends (October 1999)
- Black Book - Chemical Valuation & Margin Trends (October 2000)
- Black Book - Chemical Valuation & Margin Trends (April 1997)