ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The recent development of techniques that are capable of finding high-redshift quasars in significant numbers, in surveys that cover large areas of sky and reach relatively faint limiting magnitudes, has led to a change in our understanding of how the quasar population evolves at early epochs. ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/330453a0
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