1. Formerly King Fahd University of Petroleum and Minerals, Earth Sciences Department, Dhahran, Saudi Arabia; presently State University of New York, Department of Geology, Buffalo, New York, USA..
2. King Fahd University of Petroleum and Minerals, Earth Sciences Department, Dhahran, Saudi Arabia..
3. Geophysical Application Division, Exploration Application Services Department, Saudi Aramco, Dhahran, Saudi Arabia..