@phdthesis{winfred2009asterisk ,
 title= {ASTERISK E ALTA DISPONIBILIDADE},
 author= {Winfred Kwabla Gbedemah},
 year= {2009},
 note = {Available at  http://monografias.ice.ufjf.br/tcc-web/tcc?id=84},
 school= {Federal University of Juiz de Fora},
 key = {Gbedemah,2009}
}