21st ethylene producers conference 2009 : topical conference at the 2009 AIChE spring national meeting : Tampa, Florida : 26-30 April 2009. : American Institute of Chemical Engineers 21st ethylene producers conference : 2009 EPC conference : Apr 2009, Tampa, FL. (Ethylene Producers' Conference ; 18)
21st ethylene producers conference 2009 : topical conference at the 2009 AIChE spring national meeting : Tampa, Florida : 26-30 April 2009. : American Institute of Chemical Engineers 21st ethylene producers conference : 2009 EPC conference : Apr 2009, Tampa, FL.