En
RuGeographical location. Physical geography
Geographical location. Physical geography
Soil formation conditions and a brief description of the soils of the Chuvash Republic
Tyurin, Ivan Vladimirovich (1892-1962). Conditions of soil formation and a brief description of the soils of the Chuvash Republic. Moscow: Publishing House of the USSR Academy of Sciences, 1935; Leningrad.
1935
Национальная библиотека Чувашской республики
- Nature reserves
Issues of specially protected natural areas
Chuvash Republic. The Cabinet of Ministers. Issues of specially protected natural areas. [Cheboksary, 2003].
Issues of specially protected natural areas
Chuvash Republic. The Cabinet of Ministers. Issues of specially protected natural areas. [Cheboksary, 2007].
On the establishment of the state nature reserve of regional importance "Yablonovka"
Chuvash Republic. The Cabinet of Ministers. On the establishment of the state nature reserve of regional significance "Yablonovka". [Cheboksary, 2012].
On the monument of nature of regional significance "Rodnik village of Baygulovo"
Chuvash Republic. The Cabinet of Ministers. On the monument of nature of regional significance "Rodnik village of Baygulovo". [Cheboksary, 2013].
On the approval of the symbols of the Federal State Budgetary Institution "State Natural Reserve" Vorsky "
On the approval of the symbols of the Federal State Budgetary Institution "State Natural Reserve" Trings ".