9 publications in electronic form, on magnetic and optical computer-readable media or downloadable via computer and communication networks, including the Internet, namely, newsletters, books, magazines, work books, technical reference manuals, technical reference guides, computer user manuals, manuals, brochures, guides and tutorials in the fields of computer software, computer networks, computer data storage and data storage management; conference, workshop, and seminar publications in electronic form, on magnetic and optical computer-readable media or downloadable via computer and communication networks, including the Internet, namely, newsletters, books, magazines, work books, technical reference manuals, technical reference guides, computer user manuals, manuals, brochures, guides, and tutorials in the fields of computer software, computer networks, computer data storage and data storage management