KAUTZ, H.; SELMAN, B.; SHAH, M. The Hidden Web. AI Magazine, [S. l.], v. 18, n. 2, p. 27, 1997. DOI: 10.1609/aimag.v18i2.1291. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/1291. Acesso em: 28 mar. 2024.