MOTTA, Gustavo H. M. B.; 						FURUIE, Sérgio S..
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 Porto Alegre: Sociedade Brasileira de Computação, 
	2004
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 p. 13-20. 
			ISSN 3086-4836. 
		DOI: <a href="https://doi.org/10.5753/sbsi.2004.6357">https://doi.org/10.5753/sbsi.2004.6357</a>.