0. DOCID:22416 1972 "X-ray Astronomy: Observations of New Phenomena" 0.0291949095841027
1. DOCID:19608 1961 "New Frontiers of Astronomical Technology" 0.0280546243266084
2. DOCID:22167 1971 "Stellar Old Age (III): Black Holes and Gravitational Collapse" 0.0237139080472178
3. DOCID:21376 1968 "X-ray Structures of the Sun during the Importance 1N Flare of 8 June 1968" 0.0208843800918375
4. DOCID:19809 1962 "The Story of the Crab Nebula" 0.0197865028110952
5. DOCID:21427 1968 "Astronomical Research with the Large Space Telescope" 0.0196674548746518
6. DOCID:19964 1962 "Protecting the Science of Radio Astronomy" 0.0193871945856168
7. DOCID:19329 1960 "Photoelectric Photometry in Astronomical Studies" 0.0184675196565862
8. DOCID:19634 1961 "Solar Research from Rockets" 0.0172377539697126
9. DOCID:20105 1963 "Airglow and the Physics of Upper Atmospheres" 0.0165388850519126
10. DOCID:20395 1964 "Cosmic Electromagnetic Radiation" 0.0158936937045773
11. DOCID:19092 1959 "Modern Instruments for Surveying and Mapping" 0.0157730070295485
12. DOCID:18765 1958 "International Geophysical Year. A Report on the United States Program" 0.0154717726513489
13. DOCID:21379 1968 "Cosmic Rays from Nearby Supernovae: Biological Effects" 0.0152241792318399
14. DOCID:21096 1967 "Ultraviolet Spectra of Stars" 0.0139642209481122