Phenomenology of polymorphism and topological pressure-temperature diagrams: the case study acesulfameI.B. Rietveld, R. Céolin, S.P. Velaga and S. BasavojuXXXVII JEEP – 37th Conference on Phase Equilibria, (2011) 00012DOI: https://doi.org/10.1051/jeep/201100012