1. School of Chemical & Biomolecular Engineering; Georgia Institute of Technology; Atlanta GA, 30332
2. Hydrocarbons R&D; The Dow Chemical Company; Midland MI, 48674
3. Hydrocarbons R&D; The Dow Chemical Company; Freeport TX, 77541
4. Dept. of Chemical Engineering; Michigan Technological University; Houghton MI, 49931