by Kepes, Gyorgy.
by Petkov, Nicolai | Westenberg, Michael A.
by Wu, H. R | Rao, K. Ramamohan.
by Thompson, William.
by Duchowski, Andrew T.
by Herault, Jeanny.
by Gregory, Richard L.
by Skansi, Sandro.
by Levin, David Michael.
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