Ledgard Henery Direction in human factors for interact systems Ledgard Henery; Singer Andrew; Whiteside John - Berlin Springer Verlag 1981 - vi, 190p. cm. - Lecture notes on computer science; 103 . Standard No.: 46356 Source: Textual Subjects--Topical Terms: Computer science Dewey Class. No.: D65,8(B)92, M1