Pierre Bourque Robert Dupuis Alain Abran James W. Moore Leonard L. Tripp Sybille Wolff Fundamental principles of software engineering - a journey. 59-70 2002 62 Journal of Systems and Software 1 http://dx.doi.org/10.1016/S0164-1212(01)00136-4 db/journals/jss/jss62.html#BourqueDAMTW02