BALABAN, M.; SHIMONY, S. E. Structured plans with sharing and replication. COMPUTING AND INFORMATICS, [S. l.], v. 17, n. 4, p. 257–292, 2012. Disponível em: https://www.cai.sk/ojs/index.php/cai/article/view/627. Acesso em: 29 apr. 2024.