; Lima, J. Gonçalves-Ribeiro, J. (NEVADA). ; Hubinger, M. Robert Weech-. A. Paper Presentations: LOES SUSTAINABILITY. , Brabet, C. Jpaquim P. D. ; Parola, A. This paper develops a model of the process through which social problems rise and fall. V. B, Cebulla C Brabet P, Cornille K, Amati-Bonneau P, Delettre C,