F. Oquendo.
" π-ADL for WS-Composition: A Service-Oriented Architecture Description Language for the Formal Development of Dynamic Web Service Compositions", in Anais do II Simpósio Brasileiro de Componentes, Arquiteturas e Reutilização de Software, Porto Alegre/RS, 2008, pp. 52-66, doi: https://doi.org/10.5753/sbcars.2008.46105.