C. Jaspan, I. Chen, и A. Sharma. Companion to the 22nd ACM SIGPLAN Conf. on Object-oriented Programming Systems and Applications, стр. 963-970. ACM, (2007)
A. Ayerbe, и I. Vazquez. Computer Software and Applications Conference, 1998. COMPSAC '98. Proceedings. The Twenty-Second Annual International, (августа 1998)