- http://java.dzone.com/articles/run-your-antlr-dsl-groovy
- http://www.alexecollins.com/antlr4-and-maven-tutorial/
- http://bkiers.blogspot.com.br/2011/03/creating-your-own-programming-language.html
- https://poundblog.wordpress.com/2013/06/06/a-scala-parser-combinator-grammar-for-csv/
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