Ricardo Argenton Ramos Fernanda M. R. Alencar João Araújo Ana Moreira Jaelson Brelaz de Castro Rosângela Dellosso Penteado i* with Aspects: Evaluating Understandability. 171-178 2007 WER http://wer.inf.puc-rio.br/WERpapers/artigos/artigos_WER07/Swer07-ramos.pdf conf/wer/2007 db/conf/wer/wer2007.html#RamosAAMCP07