TY  - RPRT
TI  - Certain problems of studying and mastering cosmic space
AU  - Chernigovskiy, V. N.
AU  - Parin, V. V.
AU  - Sisakyan, N. M.
AU  - Yazdovskiy, V. I.
PY  - 1963
UR  - https://ntrs.nasa.gov/citations/19640001757
ID  - 19640001757
ER  -