Wyner, A., Athan, T., Boley, H., Governatori, G., Palmirani, M., & Paschke, A. (2013). Theory, Practice, and Applications of Rules on the Web. LegalRuleML: From Metamodel to Use Cases, Chapter 4, pp. 13-18. doi:10.1007/978-3-642-39617-5_4

Wyner, Adam, Tara Athan, Harold Boley, Guido Governatori, Monica Palmirani, and Adrian Paschke. "Theory, Practice, and Applications of Rules On the Web." LegalRuleML: From Metamodel to Use Cases Chapter 4 (2013): 13-18.

Wyner, Adam, et al. "Theory, Practice, and Applications of Rules On the Web." LegalRuleML: From Metamodel to Use Cases Chapter 4 (2013): 13-18.