Institution: | Mobil Technology, PO Box 650232, Dallas, TX 75265, USA. Formerly at;4., Institute for Geophysics, The University of Texas at Austin, 4412 Spicewood Springs Road, Building 600, Austin, TX 75265, USA.,;Department of Geological Sciences and Institute for Geophysics, The University of Texas at Austin, 4412 Spicewood Springs Road, Building 600, Austin, TX 75265, USA. |