For citations:
Chaplygin V.A., Ershova T.S., Zaitsev V.F. THE CONTENTS OF SOME TRACE ELEMENTS IN THE AQUATIC ORGANISMS OF THE CASPIAN SEA. South of Russia: ecology, development. 2017;12(3):138-145. (In Russ.) https://doi.org/10.18470/1992-1098-2017-3-138-145