Weinberg, Paul N. Understanding XENIX : a conceptual guide / Paul N. Weinberg, James R. Groff. - Indianapolis : Que Corp., c1985. Includes index. ISBN: LCCN: 84062751 //r92 Subjects--Uniform Titles: XENIX. LC Class. No.: QA76.76.O63 / W44 1985 Dewey Class. No.: 005.4/469