Luís CarriçoCarlos DuarteNuno GuimarãesAntónio SerralheiroIsabel Trancoso2010-05-212014-11-142010-05-212014-11-1420042004http://hdl.handle.net/10451/14783http://repositorio.ul.pt/handle/10455/5901engComputer ScienceModular Product1ion of Flexible Digital Talking Booksjournal article