1
by Jager, C.
Published 1972
Springer Netherlands
...Astrophysics and Space Science Library...

2
by Jager, C.
Published 1965
Springer Netherlands
...Astrophysics and Space Science Library...

3
by Jager, C.
Published 1975
Springer Netherlands
...Astrophysics and Space Science Library, A Series of Books on the Recent Developments of Space...