...$\sim$100 GRBs/yr

http://swift.gsfc.nasa.gov/docs/swift/bursts/index.html

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... Center

http://swift.gsfc.nasa.gov/docs/swift/results/transients/

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... site

http://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/swift.pl

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... Swift software

http://swift.gsfc.nasa.gov/docs/software/lheasoft

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... pages

http://heasarc.nasa.gov/docs/swift/analysis/bat_digest.html

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... technique

http://swift.gsfc.nasa.gov/docs/swift/analysis/swiftbat.pdf

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... group

http://tahti.mit.edu/opensource/1655/

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