TY - BOOK AU - Horton,William K. TI - Designing and writing online documentation: help files to hypertext SN - 0-471-51399-7 AV - QA76.9 .H67 1990 PY - 1990/// CY - New York PB - Wiley & Sons KW - Electronic data processing documentation KW - Online data processing KW - Hypertext systems N1 - Includes bibliographical references (p. 341-365) ER -