Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
3 ta ish
Lomonosov Moscow State University
Nickolai Shaposhnikov, Lev Titarchuk
Lev Titarchuk
Elena Seifina, Lev Titarchuk, L. S. Ugolkova