1. Baniassad, E., Clarke, S.: Theme: An Approach for Aspect-Oriented Analysis and Design. In: Proc. ICSE 2004, pp. 158–167. IEEE CS Press, Los Alamitos (2004)
2. Barbacci, M., Ellison, R., Lattanze, A., Stafford, J., Weinstock, C.B., Wood, W.G.: Quality Attribute Workshops (QAWs), 3rd edn. Technical Report, CMU (2003)
3. Chitchyan, R., Sampaio, A., Rashid, A., Sawyer, P., Khan, S.: Initial Version of Aspect-Oriented Requirements Engineering Model. AOSD-Europe project report D36 (2006)
4. Chung, L., Nixon, B., Yu, E., Mylopoulos, J.: Non-Functional Requirements in Software Engineering. Kluwer Academic Publishers, Boston (2000)
5. Cleland-Huang, J., Settimi, R., Zou, X., Solc, P.: Automated Classification of Non-Functional Requirements. Requirements Engineering 12, 103–120 (2007)