D. Beder and C. Rubira. "A Meta-Level Software Architecture based on Patterns for Developing Dependable Collaboration-based Designs", in Anais do II Workshop de Testes e TolerĂ¢ncia a Falhas, Curitiba/PR, 2000, pp. 34-39, doi: https://doi.org/10.5753/wtf.2000.23471.