Dawson, Jennifer (October 20, 2008). "Hess Explores Discovery Tower". Houston Business Journal. Archived from the original on 2011-11-07. Retrieved 2011-06-08.
Dawson, Jennifer (October 20, 2008). "Hess Explores Discovery Tower". Houston Business Journal. Archived from the original on 2011-11-07. Retrieved 2011-06-08.