@article{babel,
	title = "{Babel, a multilingual package for use with \LaTeX's standard 
		document classes}",
	author = "Johannes Braams",
	year = "2006",
	note = "{\url{http://www.ctan.org}}",
}

@misc{Ced,
        author = "Wikipedia",
        title = "{Cedilla}",
        note = "{\url{http://en.wikipedia.org/wiki/Cedilla}}",
        year = "2009",
}

@misc{Unitables,
        author = "{Unicode Consortium}",
        title = "{Code charts}",
        note = "{\url{http://www.unicode.org/charts}}",
        year = "2009",
}

@article{GP09,
	author = "Gianluca Pignalberi",
	title = "{\textsf{combelow}: abbasso i segni diacritici di serie B}",
	journal = "ArsTeXnica",
	number = "8",
	year = "2009",
	month = "October",
}