Gralla How Intranets work / Preston Gralla; Illustrated by Mina Reimer. - California Ziff-Davis Press 1996. - xiii,206p. col.ill 27cm - How it works series . Includes index ISBN: 1562764411 Subjects--Topical Terms: Intranet (Computer network)--Pictorial works Dewey Class. No.: 651.7921 GRA 1996