User-agent: *
Disallow: /library/
Disallow: /images/
Disallow: /sessions/
Disallow: /admin/

User-agent: TurnitinBot
Disallow: /

User-agent: ConveraCrawler
Disallow: /

User-agent: QuepasaCreep 
Disallow: /

User-agent: Jetbot 
Disallow: /

User-agent: psbot 
Disallow: /