Critical fluctuations of the proton density in A plus A collisions at 158A GeV - Anticic, T.; Baatar, B.; Bartke, J.; Beck, H.; Betev, L.; Bialkowska, H.; Blume, C.; Bogusz, M.; Boimska, B.; Book, J.; Botje, M.; Buncic, P.; et al. (EUROPEAN PHYSICAL JOURNAL C, 2015)