Jari Laarni Juhani Heinilä Jukka Häkkinen Virpi Kalakoski Kari Kallinen Kristian Lukander Paula Löppönen Tapio Palomäki Niklas Ravaja Paula Savioja Antti Väätänen Supporting Situation Awareness in Demanding Operating Environments through Wearable User Interfaces. 13-21 2009 HCI (17) http://dx.doi.org/10.1007/978-3-642-02728-4_2 conf/hci/2009-17 db/conf/hci/hci2009-17.html#LaarniHHKKLLPRSV09