User-agent: *
Disallow: /dbase

User-Agent: *
Disallow: /.pdf$

User-agent: *
Disallow: /doc

User-agent: Googlebot
Disallow: /dbase

User-Agent: Googlebot
Disallow: /.pdf$

User-agent: Googlebot
Disallow: /doc

User-agent: Googlebot
Disallow: /doc/

User-agent: Googlebot
Disallow: /doc/.pdf$