00398nas a2200133   4500000000100000008004100001260002000042100002000062700001900082700002000101700001800121700002200139245010300161       2025                            d  c18 January 20251 aGaetano Pianese1 aNicola Chieffo1 aGabriele Milani1 aDoncho Partov1 aAntonio Formisano00aSeismic Vulnerability Assessment of Historical Buildings in Sofia: A Multi-Methodological Approach