MOHAN, K. C. Boolean and Nearest Neighbour Text Searching in a Multi-Strategy Retrieval System. Journal of Information and Knowledge, [S. l.], v. 33, n. 1, p. 29–38, 1996. DOI: 10.17821/srels/1996/v33i1/48776. Disponível em: https://srels.org/index.php/sjim/article/view/48776. Acesso em: 19 apr. 2025.