Martin E. Walter (Walter, Martin E.)

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  Durable Surfaces
  by W. O. Soboyejo, D. R. Mumm, O. Popoola, Martin E. Walter
  Softcover, Trans Tech Pubn, ISBN 0878498699 (0-87849-869-9)
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  Harmonic Analysis and Hypergroups
  by Alan L. Schwartz, Martin E. Walter, K. A. Ross
  Hardcover, Birkhauser, ISBN 3764339438 (3-7643-3943-8)
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  Harmonic Analysis and Hypergroups
  by J. M. Anderson, V.S. Sunder, K. A. Ross, Alan L. Schwartz, G.L. Litvinov, A. I. Singh, N. J. Wildberger, Martin E. Walter
  Hardcover, Birkhauser, ISBN 0817639438 (0-8176-3943-8)