Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
3 ta ish
Bulgarian Academy of Sciences
Roumen Kakanakov, Liliana Kassamakova, N. Hristeva +3
G. Sarov, Roumen Kakanakov, T. Cholakova +6
N.I. Kuznetsov, D. A. Bauman, A.V. Gavrilin +6