1. Cheng, B.H.C., Atlee, J.M.: Research Directions in Requirements Engineering. In: Future of Software Engineering (FOSE 2007), pp. 285–303. IEEE Computer Society, Los Alamitos (2007)
2. Davis, A.M.: Software Requirements: Analysis and Specification. Prentice-Hall, Englewood Cliffs (1990)
3. Jackson, M.: Software Requirements & Specifications: Practice, Principles, and Prejudices. Addison-Wesley Pub. Co., Boston (1995)
4. Kushner, D.: Masters of Doom: How Two Guys Created an Empire and Transformed Pop Culture. Random House, New York (2003)
5. Nuseibeh, R., Easterbrook, S.: Requirements Engineering: A Roadmap. In: Finkelstein, A. (ed.) The Future of Software Engineering. ACM Press, New York (2000)