Mineeva, N. M.; Abramova, N. N. (2009). "Phytoplankton Pigments as Ecological State Indices of the Cheboksary Reservoir". Water Resources. 36 (5): 560–567. doi:10.1134/S009780780905008X. S2CID129039683.
Mineeva, N. M.; Abramova, N. N. (2009). "Phytoplankton Pigments as Ecological State Indices of the Cheboksary Reservoir". Water Resources. 36 (5): 560–567. doi:10.1134/S009780780905008X. S2CID129039683.