Content and cycling of main biogenic and toxic elements in fragmented ecosystems of the Sofia city, Bulgaria

by Venera Tsolova, Ivona Nikova, Plamen Tomov
Published 2020-12-01

Earthworms (Annelida: Lumbricidae) biodiversity affected by pyrogenic carbon emissions at the “Maritsa-Iztok” basin (Bulgaria)

by HRISTO VALCHOVSKI, VENERA TSOLOVA, VIKTOR KOLCHAKOV, PLAMEN TOMOV
Published 2019-11-01

Geochemical pattern of soils in Bobovdol valley, Bulgaria. Assessment of Cd and Co contents

by Ivona Nikova, Venera Tsolova, Bisser Hristov, Aleksandar Zdravkov, Kalin Ruskov
Published 2016-07-01

Geochemical Patterns of Soils in the Bobov Dol Valley, Bulgaria. Assessment of Cu, Pb and Zn Contents

by Venera Tsolova, Ivona Nikova, Biser Hristov, Kalin Ruskov, Alexandar Zdravkov
Published 2016-12-01