H. El Shall (H. El-Shall / Shall, H. El / El-Shall, H.)

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  Development of Non-Renewable Resources: Proceedings of the Engineering Foundation Conference on Challenges and Solutions, Cairo, Egypt November 16-21, 1997
  by B. Moudgil, A. Ismail, H. El Shall
  Hardcover, Amer Inst of Chemical Engineers, ISBN 0939204576 (0-939204-57-6)
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  New Remediation Technology in the Changing Environmental Arena
  by A.E. Torma, H. El-Shall, B.J. Scheiner, S. K. Kawatra, T. D. Chatwin
  Softcover, Society for Mining Metallurgy, ISBN 0873351312 (0-87335-131-2)