Dobrev, T. Characteristics of the surface heat flow density on the territory of Bulgaria and the neighbouring Black Sea shelf. София: 2006 с. 18-26,.
Dobrev, T. Characteristics of the surface heat flow density on the territory of Bulgaria and the neighbouring Black Sea shelf. София: 2006 с. 18-26,.
Dobrev, T. (2006) Characteristics of the surface heat flow density on the territory of Bulgaria and the neighbouring Black Sea shelf, София: с. 18-26,.
Dobrev, T. (2006). Characteristics of the surface heat flow density on the territory of Bulgaria and the neighbouring Black Sea shelf. София: с. 18-26.
Dobrev T. Characteristics of the surface heat flow density on the territory of Bulgaria and the neighbouring Black Sea shelf. София: 2006. p. с. 18-26.
