| Development of a catalyst for conversion of syngas-derived materials to isobutylene. Technical progress report No. 5, March 31, 1992--June 30, 1992. |
| Development of a catalyst for conversion of syngas-derived materials to isobutylene. Technical progress report No. 4, January 1, 1992--March 30, 1992. |
| Development of a catalyst for conversion of syngas-derived materials to isobutylene. Quarterly report No. 7, October 1,1992--December 31, 1992. |
| Development of a catalyst for conversion of syngas-derived materials to isobutylene. Quarterly report No. 2, June 15, 1991--September 30, 1991. |
| Development of a catalyst for conversion of syngas-derived materials to isobutylene. Quarterly technical report No. 1, March 15, 1991--June 30, 1991. |
