GUTIERREZ-GARCIA, J. O. ., and F. F. . RAMOS-CORCHADO. “EXCEPTION HANDLING IN PERVASIVE SERVICE COMPOSITION USING NORMATIVE AGENTS”. Journal of Web Engineering, vol. 10, no. 3, Aug. 2011, pp. 175-96, https://journals.riverpublishers.com/index.php/JWE/article/view/3967.