International School and Workshop on Nonlinear Mathematical Physics and Natural Hazards Presentations Cernih et al Chouliaras Constantinescu Constantinescu UNESCO Meet Sofia Dojcinovski Gerdjikov Gunnar Pruessner Hadjiyski et al Part 1 Hadjiyski et al Part 2 Ionescu Marmureanu et al Kukic Marmureanu et al Mladenov Nikolaidis Nikolov Peresan et al prob Peresan et al valid Popa Popov Program Radulian et al Schutz Zabrodin
