Science Explorer
links for
2000A&A...360..683B
Infrared Space Observatory
http://nida.esac.esa.int/nida-cl-web/?ACTION=OBSERVATION&ID=26700814
Infrared Space Observatory
http://nida.esac.esa.int/nida-cl-web/?ACTION=OBSERVATION&ID=29200615
Infrared Space Observatory
http://nida.esac.esa.int/nida-cl-web/?ACTION=OBSERVATION&ID=48400516
Infrared Space Observatory
http://nida.esac.esa.int/nida-cl-web/?ACTION=OBSERVATION&ID=48400558
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