v a krat

V. A. Krat · Gos. izd-vo tekhniko-teoret. lit-ry

329 sayfa · 1950

Celestial mechanics

V. A. Krat · Tip. A. Transhelʹ

18 sayfa · 1892

Mine surveying

V. A. Krat · Nauka, Leningradskoe otd-nie

151 sayfa · 1976

Balloons in astronomy / Astronomy / Observations / Astronomical instruments / Stratosphere

V. A. Krat · Tip. A. Transhel

13 sayfa · 1892

Mine surveying / Mines and mineral resources

V. A. Krat · Nauka, Leningr. otd-nie

163 sayfa · 1975

Physics / Methodology / Congresses / Philosophy / Cosmology