TY JOUR TI Results of studying green algae Scenedesmus Meyen in the plankton of the Vakh river KW JO Bulletin of Nizhnevartovsk State University AU Skorobogatova, O.N. AU Naumenko, Y.V. AU Fedorova, V.M. AU Semochkina, M.A. PY 2015 IS PB Nizhnevartovsk State University