00548naa#a2200193#i#450# EN\\bibl\113235 20260120030800.2 2311-1402 20090325b2009####ek#y0engy0150####ca RUS RU Rol' belkov v svyazyvanii Cu, Cd, Ni list'yami gidrofitov Journal article Nizhnevartovsk Nizhnevartovsk State University 2009 12 с. Journal article local Nekrasova G F Maleva M G Novachek O I vestnik.nvsu.ru