Сборник Материалов конференции "14th Inteational
Multidisciplinary Scientific GeoConference SGEM 2014". Albena,
Bulgaria, 2014. 708 c. На английском языке.
Water resources. Forest, marine and ocean ecosystems.
Soils.
Forest Ecosystems.
Marine and Ocean Ecosystems.
Water resources. Forest, marine and ocean ecosystems.
Soils.
Forest Ecosystems.
Marine and Ocean Ecosystems.