R. Landtsheer, E. Letier, и A. van Lamsweerde. 11th IEEE International Requirements Engineering Conference (RE'03), стр. 200--210. Monterey Bay, USA, IEEE Computer Society Press, (сентября 2003)
L. Bastos, J. Castro, и J. Mylopoulos. Proceedings of Second International Workshop From Software Requirements to Architectures (STRAW'03), Portland, USA, (мая 2003)
H. Kaiya, H. Horai, и M. Saeki. International Conference on Requirements Engineering, стр. 13-22. Essen, Germany, IEEE Computer Society, (9--13 09 2002)