@article{VSGU_2013_6_a17,
     author = {A. A. Golovlyov and N. V. Prokhorova},
     title = {The ecological paths of {Sokolii} and {Sorochinskie} {Hills} (educational and scientific aspects)},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {175--181},
     publisher = {mathdoc},
     number = {6},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2013_6_a17/}
}