VAN DEN BRAND, M. G. J. AN ENVIRONMENT FOR ENGINEERING EXTENDED AFFIX GRAMMAR ENVIRONMENTS. Periodica Polytechnica Electrical Engineering, [S. l.], v. 35, n. 2, p. 125–146, 1991. Disponível em: https://pp.bme.hu/ee/article/view/4539. Acesso em: 18 may. 2024.