Books Print journals CONTENT CREATOR (authors) PUBLISHERS STM Commercial DISTRIBUTION Physical STORAGE & ACCESS Libraries Secondary Info Providers Bookshops USER
CONTENT CREATOR (authors) PUBLISHERS DISTRIBUTION STORAGE & ACCESS USER STM Commercial Books Print journals Physical Libraries Secondary Info Providers Bookshops e-books e-journals Self-publishing Electronic CD-ROMs Database Providers WWW PRINT ELECTRONIC
CONTENT CREATOR (authors) Books Print journals e-books e-journals PUBLISHERS STM Commercial Self-publishing DISTRIBUTION Physical Electronic STORAGE & ACCESS Libraries Secondary Info Providers Bookshops CD-ROMs Database Providers WWW USER
SOURCE publisher author ACCESS & STORAGE WWW USER