[Gordon2005] Dan Gordon,Ted Stehney,Neha Wattas,Eugene Yu,′′System Quality Requirements Engineering (SQUARE): Case Study on Asset ManagementSystem,PhaseII′′,CMU/SEI-2005-SR-005
[Firesmith2006] Donald Firesmith,′′QUASAR: A Method for the QUality Assessment of Software-Intensive System ARchitectures′′,CMU/SEI-2006-HB-001