http://codetunes.com/2012/05/09/scala-dsl-tutorial-writing-web-framework-router
http://idn.icw-global.com/solutions/ehealth-framework/articles/scala-dsls.html
http://debasishg.blogspot.cz/2008/05/designing-internal-dsls-in-scala.html
http://www.scala-lang.org/node/1403
http://blog.engineering.vayana.in/case-study-in-dsl-development-with-scala-part-1/
http://blog.engineering.vayana.in/case-study-in-dsl-development-with-scala-part-2/