User-agent: psbot
Disallow: /

User-agent: Gigabot
Disallow: /

User-agent: Teoma
Crawl-Delay: 15

User-agent: Ask Jeeves
Crawl-Delay: 15

User-agent: googlebot
Crawl-Delay: 15

User-agent: msnbot
Crawl-Delay: 15

User-agent: * 
Disallow: