TY - BOOK AU - Simpson,Alan TI - Mastering WordPerfect 5.1 for DOS SN - 0895886707 AV - Z52.5.W65 S552 1991 U1 - 652.5/536 20 PY - 1991/// CY - San Francisco PB - SYBEX KW - WordPerfect (Computer file) KW - Word processing N1 - Includes index ER -