WAGNER, M. STRUCTURAL DESIGN OF SAFETY-RELATED MICROPROCESSOR BASED PROCESS CONTROL SYSTEMS Periodica Polytechnica Electrical Engineering, [S. l.], v. 34, n. 4, p. 245–255, 1990. Disponível em: https://pp.bme.hu/ee/article/view/4574. Acesso em: 18 may. 2024.