		No cover image available No cover image available Tracts for computers. by Pearson, Karl Publication: London : Universtiy of London, University of College. Departament of Applied Statistics (Computing section), 1920 . 54 p. ; Date: 1920 Availability: No items available: Damaged (1),
		No cover image available No cover image available Matrix computer methods in engineering / by Pipes, Louis Albert Publication: New York : John Wiley, 1969 . xi, 33 p. ; Date: 1969 Availability: Items available: Biblioteca Central [512.83, P665] (2),

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