Gergova, D., Archaeological Institute, Bulgarian Academy of Sciences, Sofia, Bulgaria

• Annals of Geophysics Vol. 38 No. 5-6 (1995) - OLD
  Evidence of a seismic event on Thracian tombs dated to the Hellenistic period (Sveshtari, Northeastern Bulgaria)
  Details  PDF
• Annals of Geophysics Vol. 38 No. 5-6 (1995) - OLD
  Traces of seismic effects on archaeological sites in Bulgaria
  Details  PDF