1605 20160222141731.0 SISMOimport-121 Radulov, Alexander 2006 Paleoearthquake correlation in three trenches along Orizovo - Chirpan active fault segment Vanneste, Kris Verbeeck, Koen Yaneva, Marlena Petermans, Toon Camelbeeck, Thierry Shanov, Stefan Proceedings of the Scientific Conference of the Bulgarian Geophysical Society and the Bulgarian Geological Society, Sofia 2006 71-73 583411 http://publi2-as.oma.be/record/1605/files/Radulovetal_2006.pdf published in NONREF