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by Spohrer, James C.; Freund, Louis E.
by Salvendy; Gavriel
by Spohrer; James C.
by Christine Leitner; Jim Spohrer
by Freund, Louis E.; Cellary, Wojciech
by Ahram, Tareq Z.; Karwowski, Waldemar
by Tareq Z. Ahram
by Louis E. Freund