Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
4 ta ish
Ish: Energy band model and properties of electrons in bismuth
G. P. Mikitik
A. P. Kopasov
Vit. B. Krasovitskiı̆, V. V. Khotkevich