Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
5 ta ish
Berlin Institute of Technology
Ivan Argatov, I. A. Lyashenko, Valentin L. Popov
Ivan Argatov, Feodor M. Borodich, Valentin L. Popov
Ivan Argatov