@article{201901.0260, doi = {10.20944/preprints201901.0260.v1}, url = {https://doi.org/10.20944/preprints201901.0260.v1}, year = 2019, month = {January}, publisher = {Preprints}, author = {Gevorg Simonyan and Gevorg Pirumyan}, title = {Entropy - System Approach to Assess the Ecological Status of Reservoirs in Armenia}, journal = {Preprints} }