Mahsulotlar
Ishlab chiquvchilar uchun
3 ta ish
Ish: The kinetic nature of the strength of solids
M. S. Kats, V. R. Regel, Yu. S. Boyarskaya +1
V.P. Kiryukhin, E.R. Klinshpont, V.K. Milinchuk
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