http://www.w3.org/TR/html401/
http://www.w3.org/TR/xhtml1/
http://www.w3.org/TR/html5/
http://www.w3.org/TR/CSS2/
http://www.w3.org/Style/CSS/specs
http://ecma262-5.com/ELS5_HTML.htm
http://pcre.org/pcre.txt
http://dev.mysql.com/doc/refman/5.5/en/
http://httpd.apache.org/
Фукционирование системы DNS.
http://tools.ietf.org/html/rfc1034 — DOMAIN NAMES - CONCEPTS AND FACILITIES
http://tools.ietf.org/html/rfc1035 — DOMAIN NAMES - IMPLEMENTATION AND SPECIFICATION