TY CONF TI HEAVY METALS IN WATER, SEDIMENTS AND MARINE FISHES FROM BULGARIAN BLACK SEA KW fishes KW marine water KW sediments KW Black Sea KW heavy metals JO XXVI International Shore Conference "Managing risks to coastal regions and communities in a changing world" AU Peycheva, K.. AU Stancheva, M.. AU Georgieva, S.. AU Makedosnki, L.. PY 2024 PB Academus Publishing