North American Product Classification System (NAPCS) Canada [Provisional Version 0.1]

• 512 - Internet, software and other computer related services
• 519011 - Internet publishing and broadcasting services
• 519011.18 - Periodicals, business (including farming), professional and academic, electronic and other media

519011.18.2 - Periodicals, academic, electronic and other media

Periodicals published in electronic (excluding online) and other media, aimed primarily at the academic community. Subjects include pure research in any field and scholarly journals. Media in this category include such electronic physical forms as CD-ROMs and diskettes, as well as non-electronic physical forms, such as cassette tapes, microfilms and microfiche.