1. Bulletin FA-13b; Amoco Chemical: Chicago, April 1996.
2. Bulletin FA-14a; Amoco Chemical: Chicago, Oct 1995.
3. Bulletin FA-16b; Amoco Chemical: Chicago, Jan 1996.
4. Bulletin FA-15a; Amoco Chemical: Chicago, Sept 1995.
5. Technical Report GTSR-B; Amoco Chemical: Chicago, July 1994.