title: Astrophysics: Gravity ripples chased.
authors.affiliation: Marc Kamionkowski is at the California Institute of Technology, Pasadena, California 91125, USA. kamion@tapir.caltech.edu.
authors.forename: Marc
authors.initials: M
authors.lastname: Kamionkowski
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references.pmid: 16907428
references.citation: Nature. 2009 Aug 20;460(7258):990-4
references.pmid: 19693079