[1] International Standard Organisation (http://www.iso.ch/)

[2] Infrared Space Observatory (http://www.iso.vilspa.esa.es/) {Astronomie}

[3] Individual System Operation (->"IEEE Standard Dictionary")

[4] Imaging Spectrometric Observatory (->"NASA Acronym List") {Astronomie}

[5] Kinston/Goldsboro, NC, USA -internationale Fughafen-Kennung