JINA - Virtual Journal of Nuclear Astrophysics, 21 April 2006
Volume 4, Issue 16 (33 Articles)
- # 27 - A low level of extragalactic background light as revealed by γ-rays from blazars
- Nature - Volume 440, Issue 7087
- First paragraph, Full Text, PDF (218K) , Supplementary informationSee also: Editor's summary, News and Views by Madau