@article{Lyubomir Vladimirov(2012), author = {Lyubomir Vladimirov}, title = {Hazards and Threats in Environment of Transboundary Areas }, journal = {Journal of Environmental Nanotechnology}, volume = {1}, number = {1}, pages = {32-39}, year = {2012}, doi = {10.13074/jent.2012.10.121017}, url = {https://doi.org/10.13074/jent.2012.10.121017} }