फलकम्:GSE
This article includes content derived from the Great Soviet Encyclopedia, 1969–1978, which is in the public domain.
फलकम् दस्तावेजीकरण[निर्मियताम्] [purge] फलकम् दस्तावेजीकरण[निर्मियताम्] [purge]
This article includes content derived from the Great Soviet Encyclopedia, 1969–1978, which is in the public domain.
फलकम् दस्तावेजीकरण[निर्मियताम्] [purge]