The planets : solved and unsolved problems
Planety: rešennye i nerešennye problemy <engl.>
NASA technical translation ; F-698
1972
91 S
graph. Darst
Report
Englisch , Russisch
Studies of the atmosphere of Venus by means of spacecraft: Solved and unsolved problems
Online Contents | 2002
|Studies of the Atmosphere of Venus by Means of Spacecraft: Solved and Unsolved Problems
British Library Conference Proceedings | 2002
|Unsolved aeronautical problems
Engineering Index Backfile | 1927
Engineering Index Backfile | 1930
|Unsolved Problems of Airplane Aerodynamics
NTIS | 1972
|