VAN DEN BRAND, M. G. J.; VAN DIEPEN, N. W. P.; BOITEN, E. A.; KOSTER, C. H. A.; PARTSCH, H. A.; VÖLKER, N. USTOPIA REQUIREMENTS THOUGHTS ON A USER-FRIENDLY SYSTEM FOR TRANSFORMATION OF PROGRAMS IN ABSTRACTO. Periodica Polytechnica Electrical Engineering, [S. l.], v. 35, n. 2, p. 101–123, 1991. Disponível em: https://pp.bme.hu/ee/article/view/4538. Acesso em: 25 dec. 2024.