Science Explorer
links for
2005A&A...433L..17H
Infrared Space Observatory
http://nida.esac.esa.int/nida-cl-web/?ACTION=OBSERVATION&ID=04201702
Infrared Space Observatory
http://nida.esac.esa.int/nida-cl-web/?ACTION=OBSERVATION&ID=04202901
Infrared Space Observatory
http://nida.esac.esa.int/nida-cl-web/?ACTION=OBSERVATION&ID=07100386
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