00324nas a2200121   4500000000100000000000100001008004100002260001900043100002200062700002100084245009000105490000700195       2014                            d  cJuly/Dec. 20141 aRumiana Glavcheva1 aMargarita Matova00a120th Anniversary of Seismology in Bulgaria: Milestones, Development and Achievements0 v36