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by Shane Read
by Beckman, Sydney A.
by Thomas, Jodi
by Shaffer, Bill
by Dorsaneo, William V., III; Thornburg, Elizabeth G.; Carlson, Elaine Grafton; et al.
by Gibbons, Charles
by Gibbons, Charles B.
by Turner, Mathew
by The University of Texas at Austin Petroleum Extension (PETEX)