@misc{_National_2015,
 copyright={Copyright by Vidavnictvo L'vìvs'kogo nacìonalʹnogo unìversitetu ìm. Ìvana Franka},
 address={L'vìv},
 howpublished={online},
 year={2015},
 publisher={L'vìvs'kij nacìnal'nij unìversitet ìmenì Ìvana Franka},
 language={pol},
 language={ukr},
 language={eng},
 title={National Environmental Network as an Integral Territorial System},
 keywords={system, national environmental network, system connections, structural elements of environmental network},
}