Smyadovo

See:

1. Чохаджиев, Стефан/Stefan Chohadzhiev: The prehistoric cemetery at Smyadovo, Shumen district. – In: Zoп Tsirtsoni (edit.). The human face of radiocarbon: reassessing chronology in prehistoric Greece and Bulgaria, 5000-3000 cal BC. Lyon, 2016, pp. 69 – 83.
2. Stefan Chohadzhiev, Nina Mihaylova, Smyadovo. Prehistoric cemetery 2005-2008, Sofia, 2014