TY  - GEN
ED  - Balkan Region.,
ED  - 
TI  - Proceedings of the seminar on seismic zoning maps. Skopje, 27 Oct-4 Nov. 1975
PY  - 1976///
CY  - Skopje
PB  - UNESCO
KW  - SISMOLOGIA
KW  - IM
ER  -