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by Shea, William R.; Artigas, Mariano
by Sís, Peter; Sís, Peter
by Shamos, Morris H.
by Hall, A. Rupert
by Horvitz, Leslie Alan
by Sis, Peter
by Drake, Stillman
by Hanlon, Michael
by Jaramillo, Horacio
by Galilei, Maria; Sobel, Dava