Fernando Alonso Natalia Juristo Juzgado José Luis Maté Juan Pazos Software engineering and knowledge engineering: Towards a common life cycle. 65-79 1996 33 Journal of Systems and Software 1 http://dx.doi.org/10.1016/0164-1212(95)00104-2 db/journals/jss/jss33.html#AlonsoJMP96