16 PRINTED MATTER; NAMELY, BOOKS, MANUALS, MAGAZINES, DRAWINGS, BROCHURES AND LEAFLETS ON THE SUBJECT OF COMPUTERS, COMPUTER PROGRAMS, COMPUTER PERIPHERALS, THE COMPUTER INDUSTRY AND RELATED FIELDS; USER'S GUIDES, PRINTED FORMS, WORKBOOKS, TRAINING MANUALS, USER MANUALS AND DATA SHEETS FOR USE WITH COMPUTER PROGRAMS, COMPUTERS AND THEIR APPLICATION