Exploring the Universe with the IUE Satellite [E-Book] /  

Boggess, A.
1987

Image Processing Techniques in Astronomy [E-Book] : Proceedings of a Conference Held in Utrecht on March 25–27, 1975 /  

Jager, C. De
1975

Transactions of the International Astronomical Union [E-Book] : Proceedings of the Fourteenth General Assembly Brighton 1970 /  

Jager, C. De
1971