		UNIX : by Nebut, Jean-Louis Publication: Paris : Technip, 1990 . xxiii, 305 p. : 23,8 cm Date: 1990 Availability: Items available: Biblioteca Central [004.451, UNIX, N363] (1),
		No cover image available No cover image available S/O : by Cohen, Leo J. Publication: Buenos Aires : El Ateneo, 1976 . 152 p. : , Tít. orig.: Operating system analysis and design 19 cm Date: 1976 Availability: No items available: Damaged (2),

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